(单选题)

What can strengthen the bond between strangers?

A.Eye contact.

B.Text communication.

C.Voice communication.

D.Gesture.

参考答案：C

参考解析：

细节理解题。根据文章第五段第二句“They found that both forms of voice communication—whether video or audio only—made the strangers feel significantly more connected than when they communicated via text.”可知，他们发现，无论是视频还是语音聊天，这两种语音通信方式都比发短信更能显著增强陌生人之间的纽带关系。故选C。

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