问题补充:
—I called you many times yesterday morning, but I couldn’t get through.
—Oh. My brother on the phone all the time!
A. was talking
B. has been talking
C. has talked
D. talked
答案:
(答案→)A. was talking
B. has been talking
C. has talked
D. talked
解析:考查时态。句意:昨天造成我给你打了多次电话,但是我就是无法接通。——哦,我的哥哥一直在占线。结合语境可知下文描述的是过去正在进行的动作,故用过去进行时态。选A。