Thanks to the Internet ,different kinds of information ______in a_英语解答

Thanks to the Internet ,different kinds of information ______in a short time.A.can be learned
Thanks to the Internet ,different kinds of information ______in a short time.
A.can be learned B.has been learned
C.can learn D.has learned
请问为什么不能选B呢?

人气：168 ℃　时间：2020-05-05 09:44:35

解答

different kinds of information 是复数形式
不是看information而是看kinds
所以BD首先就排除了
再加上要用被动语态
只能选A