题目内容
It’s great that all the visitors who _______ on the island were saved.
| A．trapped | B．have been trapped | C．had trapped | D．had been trapped |
D
解析试题分析：句意：所有被困在岛上的游客都得救了，这真是太棒了。本题考查过去完成时的被动语态。由were saved 可知此事发生在过去，且被困应在被救之前，应用过去完成时，同时，visitors 和trap构成被动关系。
考点：考查时态和被动语态的用法。
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