问题
选择题
When John woke up he was in the hospital, but he didn’t know how that had .
A．been happened
B．come about
C．been come about
D．been taken place
答案
答案：B
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When John woke up he was in the hospital, but he didn’t know how that had .
A．been happened
B．come about
C．been come about
D．been taken place
答案：B