（ ）The noise of desks_______could be heard out in the street.A.opened and closedB.to be opened and closedC.being opened and closedD.having been opened and closed
（ ）The noise of desks_______could be heard out in the street.
A.opened and closed
B.to be opened and closed
C.being opened and closed
D.having been opened and closed
B.to be opened and closed
C.being opened and closed
D.having been opened and closed
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