— It’s the office! So you ______   know eating is not allowed here.
— Oh, sorry.
A．must B．will C．may D．need
A
考查情態(tài)動詞的用法。句意為：這是辦公室！因此你必須知道吃的不允許帶到這里。must表示“絕不”的意思。
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