To many people, their friends are the most important in...

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 33 to 37
To many people, their friends are the most important in their life. Really good friends always (33) _______joys and sorrows with you and never turn their backs on you. Your best friend may be someone you have known all your life or someone you have grown (34)________with.
There are all sorts of things that can (35) _______ about this special relationship. It may be the result of enjoying the same activities and sharing experiences. Most of us have met someone that we have immediately felt relaxed with as if we had known them for ages. (36) _______ , it really takes you years to get to know someone well enough to consider your best friend.
To the (37) _______of us, this is someone we trust completely and who understands us better than anyone else. It's the person you can tell him or her your most intimate secrets.
The word or phrase which best fits the gap (34) is...
A. in
B. up
C. through
D. on