我认为我们可以通过参加学校的社会活动接触社会和他人。
A.
I think we can get in touch with the world and others on campus.
B.
We can get in touch with the world and others through social activities on campus.
C.
I think we can get in touch to the world and others through social activities on campus.
D.
I think we can get in touch with the world and others through social activities on campus.