For some time now, world leaders ______ out the necessity for agreement on arms

游客2024-09-03 10

问题 For some time now, world leaders ______ out the necessity for agreement on arms reduction.

选项 A、had been pointing
B、have been pointing
C、were pointing
D、pointed

答案 B

解析由时间状语For some time now可知，句中的动作发生在过去，一直延续到现在，而且还将持续下去，故用现在完成进行时，故选B。

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