题目内容：

Compared with last year,our pay _____ about ￥500 every month.
A.has increased by\x09\x09\x09\x09\x09B.has increased to C.increased by\x09\x09\x09\x09\x09\x09D.increased to

优质解答

A 现在的口气,用现在完成时,by与increase搭配,构成短语,表示增加了.