【题目】If I don't laugh, I have to cry. Maybe this is _____at many funeral people share funny stories about the person who has just died.
A.whyB.how
C.becauseD.when
在线课程【答案】A
【解析】
考查表语从句。句意：如果我不笑，我就得哭。也许这就是为什么在许多葬礼上人们会分享关于刚死去的人的有趣故事。此处be动词后面是why引导的表语从句。故选A。