The one concern for parents and students is the student pursues their university educatio

问题补充：

The one concern for parents and students is the student pursues their university education in a foreign country, the student will not have the opportunity to establish social contacts in China.

A. that

B. that if

C. whether

D. how

答案：

A. that

(答案→)B. that if

C. whether

D. how

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