Christopher Reeve said since his life was saved again, he had never thought of ________．
A.giving inB.giving upC.giving offD.giving back在线课程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”。