—How did she get infected? —She ____ the...

—How did she get infected?

—She ____ the viruses without any protection.

A．exposed to

B．had exposed to

C．was exposed to

D．has exposed to

C 【解析】试题分析：考查固定词组。固定词组be exposed to…遭受..暴露…句意：—她怎么受到感染的？—她没有任何的保护，直接暴露在病毒之下。故C正确。考点：考查固定词组

考点分析：

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