– What a hardworking doctor! He has time to play with his son.– That’s true. Even on Sund

问题补充：

– What a hardworking doctor! He has time to play with his son.

– That’s true. Even on Sundays he is busy with his work.

A. often

B. always

C. hardly

D. sometimes

答案：

A. often

B. always

(答案→)C. hardly

D. sometimes

解析：often经常；always一直，总是；hardly几乎不；sometimes有时，偶尔。句意：多么努力工作的医生啊！他几乎没有时间和他的儿子玩。——是的，甚至在周日他都忙于他的工作。结合语境可知选C。