单选题
David sent his girlfriend a ring ______ by his grandmother for all her life.
A、
have kept
B、
kept
C、
has kept
D、
has been kept
【正确答案】
B
【答案解析】
[考点] 非谓语动词
[解析] 根据句子结构可知此处应填非谓语动词形式,又因为动词keep(保存)和ring(戒指)存在动宾关系,因此应用过去分词表示被动,故选B。
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