They haven't lived here for very long.They can't _____ many

They haven't lived here for very long.They can't _____ many people.
A.have known
B.be knowing
C.know
D.known
请问是选A吗?如果不是那选什么为什么?
chenjw 1年前 已收到1个回答 举报

Rock_Chen 幼苗

共回答了20个问题采纳率:95% 举报

是A can't have done

1年前

1
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