— Mum，I really think Dad should have a break and get relaxed．
—Yes．He too long．
A. read
B. had read
C. has been reading
D. is reading
网友回答
A. read
B. had read
(答案→)C. has been reading
D. is reading
解析：考查时态。现在完成进行时表示动作从过去开始一直持续到现在并且还在发生。句意：—妈妈，我真的认为爸爸应该休息放松了。—是的。他一直在工作很长时间了。