----I the book for a whole hour .
---- No wonder you look so tired .
A. have read
B. have been reading
C. read
D. are reading
网友回答
A. have read
(答案→)B. have been reading
C. read
D. are reading
解析：考查时态：句意是：--我一直读了一个小时的书，难怪你这么累啊。可知第一个人从过去到现在一直在看书，对现在造成的结果是很累。选B。