Therearesomedangerousfishesinthisriver,and I havewarned...

问题详情：

There are some dangerous fishes in this river, and  I  have warned Tom       here.

A.    not to swim    B.    to not swim    C.    swim not to    D.    to swim not

【回答】

A

知识点：动词和动词短语

题型：选择题