—I wonder if you could go with me to the shopping mall.
—Don’t disturb me. I my experiment report all the morning and haven’t finished yet.
A. wrote
B. was writing
C. have written
D. have been writing
网友回答
A. wrote
B. was writing
C. have written
(答案→)D. have been writing
解析：考查时态。句意：—我想知道你是否可以和我去购物中心？—不要打扰我。今天早晨我一直在写实验报告，到现在还没有写好。指从过去开始一直到现在都在做某事，故使用现在完成进行时。故D正确。