─You look so tired, Celia! ─Yes. I volleyball the whole afternoon.
A. play
B. am playing
C. have been playing
D. will play
网友回答
A. play
B. am playing
(答案→)C. have been playing
D. will play
解析：根据前句You look so tired, Celia!“塞莉娅，你看上去这么累呀！”可知，本句的意思应该是“我打了整个下午的排球。”而A表示经常这样打排球；B表示正在打排球；D表示将要打排球，这三项明显与题意不符。C是现在完成进行时，表示从过去某个时间开始，一直到现在都在做某事，正符合题意，所以本题选C。