Christopher Reeve said since his life was saved again, he had never thought of ________．

A.giving in

B.giving up

C.giving off

D.giving back

答案及解析： B

解析：

该题考查give词组，give in为“屈服，投降”；

give up“放弃，停止，结束”；

give off“发出，散发出”；

give back“归还”。