— Don’t put the waste on the ground, young man.
— Oh, I’m sorry. I ______ the dustbin there.
A．hadn’t seenB．haven’t seen　
C．didn’t seeD．wasn’t seeing
C

這題考查時態(tài)，根據(jù)句意：別把垃圾放在地上，年輕人。--對不起，我沒看見這里的垃圾箱。說明是過去沒看見。選C。
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