________ more than two thousand tons, the automatic forging press is operated by one worker only.<br />A.Weighed<br>B.Weighing<br>C.To weigh<br>D.Weighs

________ more than two thousand tons, the automatic forging press is operated by one worker only.
A.Weighed
B.Weighing
C.To weigh
D.Weighs

出自：国家开放大学英语语法

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