What do these three approaches share,the Silent Way, Community Language Learning, and Suggestopaedia?

What do these three approaches share,the Silent Way, Community Language Learning, and Suggestopaedia?

A.They all lay emphasis on the individual and on the personal learning strategies.

B.Teachers are encouraged to give as much intrusion into the learning process of students as possible.

C.They don't endeavor to involve the whole person of the students.

D.All view the learning of a second language as quite similar to the learning of the first.

正确答案是A