题目内容：
Eight foreign aid workers were arrested in Afghanistan because of their ____________ activities.
[A] political
[B] espionage
[C] religious
[D] relief
参考答案：
答案解析：
单选题：Eight foreign aid workers were arrested in Afghanistan becau
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Eight foreign aid workers were arrested in Afghanistan because of their ____________ activities.
[A] political
[B] espionage
[C] religious
[D] relief