—I counted sheep, I drank milk and I tried everything, but nothing helped.
—It seems you too much recently. Try some sleeping pills.
A. worked
B. work
C. had worked
D. have been working
网友回答
A. worked
B. work
C. had worked
(答案→)D. have been working
解析：recently提示用现在完成时或现在完成进行时。用法相同的副词还有lately, so far, up to now, by now, for two days, since last Friday, in /during / over the last /past/ few days等。故答案为D。