中国银行

单选题These books were very dear to him and he bought them at __________ expense when he was studying abroad. 

A.considerate 
B.considered 
C.considerable 
D.considering 

参考答案:C进入在线模考
【答案】C。解析:根据句中的“dear”可知,这些书花费很大。“considerable”意为“相当大的”,符合题意。“considerate”“体贴的,考虑周到的”;“considered”“经过仔细考虑的”;“considering”“考虑到,鉴于”,均不符合。故答案为C。