It’s the love and responsibility that have driven him to many hardships and survive.
A. go into
B. go through
C. look through
D. look into
网友回答
A. go into
(答案→)B. go through
C. look through
D. look into
解析：go into进入，从事；go through通过，完成；look through仔细检查；look into
调查。句意：是爱和责任驱使他度过了许多困难生存了下来。所以选B。