Correct Option: A. Rebekah Detailed Explanation:

1. Biblical Context: In the Bible, Isaac is one of the patriarchs of the Israelites, the son of Abraham and Sarah. His story is primarily found in the Book of Genesis. To understand who Isaac's wife was, we need to look at the narrative surrounding his life.
2. Rebekah's Introduction: Rebekah is introduced in Genesis 24. Abraham, concerned about finding a suitable wife for his son Isaac, sends his servant back to his homeland to find a woman from his own family. The servant prays for guidance and meets Rebekah at a well. She fulfills the criteria he prayed for, showing kindness and hospitality by offering water to him and his camels.
3. Marriage to Isaac: After the servant negotiates with Rebekah's family, she agrees to return with him to marry Isaac. Genesis 24:67 states, "And Isaac brought her into his mother Sarah's tent, and took Rebekah, and she became his wife; and he loved her." This passage confirms that Rebekah is indeed Isaac's wife.
4. Significance of Rebekah: Rebekah is significant not only as Isaac's wife but also as the mother of Jacob and Esau, who are pivotal figures in the biblical narrative. Her story illustrates themes of faith, divine guidance, and the continuation of God's covenant with Abraham's descendants.

Why the Other Options are Incorrect:

• B. Rachel: Rachel was the wife of Jacob, Isaac's son, not Isaac himself. She is known for her story of love and rivalry with her sister Leah, and her struggle with infertility. While Rachel is an important figure in the Bible, she is not related to Isaac.
• C. Leah: Leah was also a wife of Jacob, and like Rachel, she is not connected to Isaac. Leah is known for being the first wife of Jacob and the mother of several of his children. Her story is intertwined with Rachel's but does not involve Isaac.
• D. Bilhah: Bilhah was a maidservant of Rachel who became a concubine to Jacob. She bore him children when Rachel was unable to conceive. Bilhah's role is significant in the context of Jacob's family but has no relation to Isaac.

Summary of Key Points:

• Isaac's wife is Rebekah, as detailed in Genesis 24.
• Rebekah was chosen through divine guidance and is significant in the lineage of the Israelites.
• Rachel, Leah, and Bilhah are all connected to Jacob, Isaac's son, and not to Isaac himself.
• Understanding the relationships among these biblical figures is crucial for grasping the broader narrative of the Old Testament.

This thorough understanding of Isaac's marital relationship helps clarify the lineage and the unfolding of God's promises to Abraham and his descendants.