怎样证明学员明白了？ Understanding can be proven by __
A.接受者是否会提问 if the receiver asking questions
B.通过接收者写下信息并复诵回来 the receiver writing the message down and reading it back
C.通过观察接收者的行为或语言 observe the actions or words of receiver
正确答案是C
怎样证明学员明白了？ Understanding can be proven by __
A.接受者是否会提问 if the receiver asking questions
B.通过接收者写下信息并复诵回来 the receiver writing the message down and reading it back
C.通过观察接收者的行为或语言 observe the actions or words of receiver
正确答案是C