Lucy liked all the dresses there but she took the one to save as much money as possible fo

问题补充：

Lucy liked all the dresses there，but she took the one to save as much money as possible for Project Hope.

A. cheaper

B. more expensive

C. cheapest

D. most expensive

答案：

A. cheaper

B. more expensive

(答案→)C. cheapest

D. most expensive

解析：本题的含义是露西尽可能的节约钱给希望工程，那么她买的衣服根据句意应该是最便宜的，故用cheap的最高级cheapest，故选C。