Due to a series of thefts, many technology companies need security personnel for

游客2025-06-13 20

问题 Due to a series of thefts, many technology companies need security personnel for______research facilities to protect their intellectual property.

选项 A、them
B、theirs
C、their
D、they

答案 C

解析语法：代词1．这是一道词汇题，选项均为代词。2．空格内须填入一个词修饰后面的名词facilities，物主代词their可作修饰词，因此(C)为正确选项。

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