选A.首先,毫无疑问,what about + doing sth.所以此题不是考察句型.而是考察词组搭配.A.go swimming 是固定搭配,翻译成“去游泳”.强调动作.还有一些词组,像go fishing,go boating等.所以A肯定没问题.B.going to swim...