—Every day my mother tries to spare some time to chat with me she is very tired after a

问题补充：

—Every day, my mother tries to spare some time to chat with me she is very tired after a wholeday’s hard work.

—How great she is!

A. unless

B. whether

C. although

D. until

答案：

A. unless

B. whether

(答案→)C. although

D. until

解析：unless除非，如果不；whether是否；although虽然，尽管；until直到。句意：尽管他工作了一整天很累，我的妈妈每天都尽量留出时间来和我聊天。结合语境可知选C。