(2013·安徽马鞍山两校模拟)—Which room would you prefer to live in, sir?
— . As long as it is clean and fortable.
A. I don't mind
B. I'm sure
C. No problem
D. Go ahead
网友回答
(答案→)A. I don't mind
B. I'm sure
C. No problem
D. Go ahead
解析：选A 考查交际用语。从答语的第二句可以判断出答话人并不在意住哪间房子。故选A项“我不介意”。I'm sure表示“我确信”，No problem表示“没问题”，Go ahead通常用来表示“同意”，均不符合语境。