—Whydoyouwantthebooksomuch? —

来源：语文精选馆 1.74W

— Why do you want the book so much?

— ____, sir.

A. Studying B. Studied

C. Studies D. To study

选D。本题的答语部分也是一个省略句。补全后这个句子应是:I want the book so much to study, sir.。本题选用动词不定式在句中作目的状语。