单选题 All living organisms, regardless of their unique identity, have certain logical, chemical, and physical characteristics in common.

A、 as a result of
B、 considering
C、 on purpose
D、 whatever

【正确答案】 D

【答案解析】[解析] 本句意思：不考虑其独特性，所有生物都有逻辑、化学和物理上共同的特性。regardless of：不论。这是常见的短语。considering：考虑到。例如：Her speed is was quite good considering her age．考虑到她的年龄，她跑得够快了。on purpose：特地。例如：He came on purpose to see you．他特地来看你。whatever：不论什么。例如：We shall never give up，whatever happens．不论发生什么事，我们都不会放弃。。