Some buildings built in the past _______ down and new ones are being built there.
A．will be pulledB．had been pulledC．have been pulledD．a(chǎn)re pulling
C
考查時(shí)態(tài)。句意：在過去一些建筑物已經(jīng)被拆毀了，在那新的建筑物正在被建起。根據(jù)語境動(dòng)作時(shí)從過去一直持續(xù)到現(xiàn)在，所以用現(xiàn)在完成時(shí)態(tài)。故選C。
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