--Why didn’t Tom have his lunch? It’s already one o’clock.
---His pet bird this morning. He still for quite a long time in his room crying.
A. died; had sat
B. has died; has sat
C. has died; is sitting
D. died; has been sitting
网友回答
A. died; had sat
B. has died; has sat
C. has died; is sitting
(答案→)D. died; has been sitting
解析：前句this morning为发生过去；后句没有吃饭，一直在做某事，用现在完成时的进行时。