— Sorry, sir．I won’t see you off at the airport, my mother has caught a bad cold．
— ．
A. Yes, I agree
B. Yes, you are quite right
C. I’m sorry to hear that
D. I’m feeling sick
网友回答
A. Yes, I agree
B. Yes, you are quite right
(答案→)C. I’m sorry to hear that
D. I’m feeling sick
解析：考查交际用语：A．Yes, I agree是，我同意，B．Yes, you are quite right是你是对的C．I’m sorry to hear that很抱歉D．I’m feeling sick我感到不舒服。句意是：对不起，我不能到机场给你送行了，我妈妈感冒了。答语应该是感到遗憾，选C。