Final answer:
Wisdom enters the heart according to Proverbs 2:10.
Step-by-step explanation:
The answer is B. The heart. According to Proverbs 2:10, wisdom enters the heart. In the biblical context, the heart represents the seat of understanding and decision-making. It is believed that wisdom is not only a mental concept but also requires an emotional and spiritual connection. Therefore, when one searches for wisdom, it enters their heart.