— I have got a headache.
— No wonder. You _____ in front of that computer too long.

A. work
B. are working
C. have been working
D. worked
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科目：初中英語 來源：吉林省期末題 題型：單選題

— I have got a headache.
— No wonder. You _____ in front of that computer too long.

[     ]

A. work
B. are working
C. have been working
D. worked

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