Which of the following best summarizes this passage?

22/73

Nonlinguistic language is invaluable to foreigners.

Although other forms of communication exist, verbalization is the fastest.

When language is a barrier, people will find other forms of communication.

Everybody uses only one form of communication.

Giải thích

Đáp án C

Dẫn chứng “When there is a language barrier, communication is accomplished through sign language in which motions stand for letters, words, and ideas.”