D【解析】试题分析：考查连词：

Hi, JaneAre you free at six this evening? I was wondering if you could come with me to see the movie “X-men”—I’m sorry but I________it alreadyBesides, I________my mother do the laundry

I’m sure that you will love our bookshop, ________you can find some good novels in simple English

My payment rose_____10% in April_____ the same month last year

I must go home. — If you must, at least wait the rain stops.