Question

A fantastic idea occurred to him ________ he could use a plastic bottle, ________ cut off, as a container to grow young plants in.

A．which; whose top                       B．that; the top of which

C．that; with its top                        D．whether; whose top

Answer

C

【解析】

试题分析：句意：一个异想天开的想法突然出现在脑海里，他用一个塑料瓶去掉它的顶部，做为一个容器把植物种在里面。第一空that引导的是同位语从句，先行词是idea，that在从句中不做成分；第二空不是句子，因为如果是句子谓语动词应是is cut off，所以是with的复合结构，its top与cut off之间是被动关系，这里cut是过去分词，故选C。

考点：考查同位语从句及with的复合结构的用法。