Zheng He has over 300 ships,___some were over 150 meters long and could carry up to 1000 people.A.in which B.of which C.where D.which为什么选B呢

问题描述:

Zheng He has over 300 ships,___some were over 150 meters long and could carry up to 1000 people.
A.in which B.of which C.where D.which
为什么选B呢

of .是在.中,如Of the students ,I only know two of them.