What should you do to keep in touch with your best friend when he / she moved away?
(1) Keep in touch with him / her through letters or e-mails.
(2) Never phone him / her again.
(3) Send a birthday card on his / her birthday.
(4) Make new friends and never contact (联系) the old friends.
(5) Talk with each other on the Internet when we are both free.[ ]
A. (2) (3) (4)
B. (1) (3) (5)
C. (1) (2) (4)