Correct Option: C. an incredible story Explanation of the Correct Answer The phrase "cock and bull story" is an idiomatic expression in English that refers to a story that is implausible, exaggerated, or fabricated. It suggests that the story is not true or is highly unlikely to be true, often used to describe a tale that is fanciful or nonsensical.

1. Understanding the Idiom:
2. The term "cock and bull" originates from two types of animals (a rooster and a bull) and is believed to have been used historically to describe tales that are fanciful or absurd. When someone tells a "cock and bull story," they are often trying to deceive or entertain with a story that lacks credibility.
3. Analyzing Option C:
4. The option "an incredible story" aligns well with the meaning of "cock and bull story." The word "incredible" can mean something that is hard to believe or extraordinary, which fits the context of a story that is likely exaggerated or not true. Therefore, this option captures the essence of the original phrase.

Why the Other Options Are Incorrect

• Option A: a story about a cock
• This option is incorrect because it takes the phrase literally. A "cock" refers to a male chicken, and this option does not convey the idiomatic meaning of a fabricated or exaggerated story. It misses the essence of the phrase entirely.
• Option B: a story about bull
• Similar to Option A, this option is also incorrect as it interprets the phrase literally. A "bull" refers to a male bovine animal, and this option does not reflect the idiomatic meaning of a nonsensical or unbelievable story. It fails to capture the intended meaning.
• Option D: an interesting
• While an interesting story may be engaging, it does not imply that the story is unbelievable or fabricated. This option lacks the critical aspect of incredibility that is inherent in the phrase "cock and bull story." Therefore, it does not accurately represent the meaning of the original phrase.

Summary of Key Points

• The phrase "cock and bull story" refers to an implausible or fabricated tale.
• Option C ("an incredible story") correctly captures the essence of the idiom.
• Options A and B misinterpret the phrase by taking it literally, while Option D fails to convey the incredibility aspect.
• Understanding idiomatic expressions is crucial for grasping the nuances of language and improving comprehension.

Revision Summary

• "Cock and bull story" means an implausible or exaggerated tale.
• The correct answer is C: "an incredible story."
• Options A and B are incorrect due to their literal interpretations.
• Option D is incorrect as it does not convey the story's incredibility.