______ by millions every night, television advertisements are a powerful means o

游客2024-01-19  15

问题 ______ by millions every night, television advertisements are a powerful means of communication.

选项 A、Being seen
B、Seeing
C、To see
D、Seen

答案 D

解析 电视和观看的关系应该是被动的,过去分词表示被动,因此可排除B、C两选项。A选项being seen有强调正在进行的意味,在此并无必要。
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