What did the librarianout of the library?A. permit to takeB. forbid to be takenC. allow

问题补充：

What did the librarianout of the library?

A. permit to take

B. forbid to be taken

C. allow to take

D. insist being taken

答案：

A. permit to take

(答案→)B. forbid to be taken

C. allow to take

D. insist being taken

解析：forbid sb./sth.to do sth.为固定用法,此句中forbid 的宾语为what。