What was Zheng He best known for in Ming dynasty China?
A, B, C, or D

Answer:
A.
Explanation:
Zheng He was a Chinese explorer who was considered the most important "crossroad of trade".
Zheng He (1371 - 1433) was a great Chinese explorer and fleet commander. He went on seven major expeditions to explore the world for the Chinese emperor and to establish Chinese trade in new areas.
I hoped this helped but I dont have your exact answer