—How long are you staying?
—I don't know.________.
A.That's OK B.Never mind
C.It depends D.It doesn't matter
—How long are you staying?
—I don't know.________.
A.That's OK B.Never mind
C.It depends D.It doesn't matter
解析:It depends视情况而定。That's OK“没关系,别客气”;Never mind“不要紧,没关系”;It doesn't matter没关系。
答案:C