题目内容
Although ________, the Acropolis is still handling serious problems such as deliberate damage and stealing of stones.
A.conserving
B.to be conserved
C.having conserved
D.being conserved
D
根据语意可知雅典卫城目前正处于被保护之中,因此使用过去分词的进行式。选项B表示即将被保护,A、C两项都是现在分词,无被动含义,与语意不符。
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