Every human being, no matter what he is doing, ______body heat.

Every human being, no matter what he is doing, ______body heat.
A、keeps up
B、puts off
C、takes in
D、gives off
【正确答案】：D
【题目解析】：此题考查动词短语的意思辨析。give off发出；keep up保持；put off推迟；take in欺骗。句意为： 每个人，不管他在做什么，都会散发体温。