The correct answer is (B) To prosper; to flourish, to grow rich, to grow vigorously; to function well, or to develop vigorously. To have good health; to do well financially.

Thrive comes from Middle English thriven, Old Norse thrifa (to grasp for oneself).

Examples of use:

• The cat thrived when its owner changed its food to the new brand
• You will thrive in that warm and dry climate.