题干
—I've got a headache.
—No wonder.You in front of the computer too long.
A：work
B：are working
C：have been working
D：worked
答案(点此获取答案解析）
C
—I've got a headache.
—No wonder.You in front of the computer too long.
A：work
B：are working
C：have been working
D：worked
