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题目内容
（河南工业大学-学位英语考试辅导课程）
(单选题) She ought to stop working; she has a headache because she ______ too long.(本题4.0分)
A、 has been reading
B、 had read
C、 is reading
D、 read
A、 has been reading
B、 had read
C、 is reading
D、 read
参考答案