(单选题)

Numbers of foreign students in America drop because of ______.

A.political persecution

B.security issue

C.competition from India

D.economic downturn

参考答案：B

参考解析：

推理判断题。根据文章第一段第六句“Concerns around the travel ban had a lot to do with concerns around personal safety based on a few incidents involving international students, and a generalized concern about whether they’re safe”可知，由于发生了几起涉及国际学生的事件，人们对旅行禁令的担忧很大程度上是对人身安全的担忧，也有对自己是否安全的一种普遍担忧。故选B。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语