(2013·江西南昌一模)Why it get colder when we climb up a mountain? We are getting nearer to the sun!
A. ought to
B. would
C. should
D. must
网友回答
A. ought to
B. would
(答案→)C. should
D. must
解析：C 句意：我们爬到山上怎么会更冷呢？我们更靠近太阳啊！should与why，how等疑问词连用，表示拒绝、恼怒或惊奇，又如：How should I know？我怎么知道呢？Why should he think that？他为什么那么想呢？