问题
选择题
—I can't decide which book to read. —_________ you read the book review?
A．Why not
B．Let's
C．Why don't
D．Perhaps
答案
答案：C
题目分析：Why not后面接动词原形，表示为什么不做某事；Let's让我们……；Why don't为什么不……；Perhaps可能，或许；句意：我不能决定读哪本书。——为什么不读读书评？结合语境可知选C。