问题描述：
what did the group do first in the moening?they
A went into the forest slowly B let the chimp sleeping in a tree C OBSERVED THE FAMILY OF CHIMPS WAKE UP D helped people understand the behaviour of the chimps
A went into the forest slowly B let the chimp sleeping in a tree C OBSERVED THE FAMILY OF CHIMPS WAKE UP D helped people understand the behaviour of the chimps
问题解答：
我来补答展开全文阅读