Please help ASAP
(75pt)
Who was Zheng He?
A.
An admiral and explorer who spent 28 years exploring and trading
B.
A general who helped Zhu Yuanzhang defeat the Mongolian rulers to the north
C.
A Confucian scholar who brought back the Chinese civil service system during the Ming dynasty
D.
A Yuan emperor who moved the capital of China to Dadu and renamed it Beijing