—Everystudentinourschoolisverycarefulabouttheflu.—Ofco...

问题详情：

 —Every student in our school is very careful about the flu.

—Of course.______, they will be infected with it.

A. If not          B. However        C. If so                    D. Besides

【回答】

A

知识点：交际用语

题型：选择题