问题补充:
Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while theymeals.
A. had
B. will have
C. are having
D. were having
答案:
A. had
B. will have
(答案→)C. are having
D. were having
解析:句意:当今年轻人的生活离不开手机。无论他们什么时候出去,他们都把手放在手机上,甚至当他们正在吃饭时也是一样。英语中,时间和条件状语从句对于时态的要求是:主将从现。意思是:主句将来时,从句现在时。而这个又要分开来讲:将来时除了指一般将来时之外,还可以是祈使句和句子中含有情态动词,因为这两种状况,虽然从时态上并非将来时,但是所表达的概念是将来;而现在时也不仅仅只有一般现在时,还包括“现在”进行时和“现在”完成时While引导状语从句时,强调主从动作的同时发生,从句中常用进行时态。结合语境可知从句中强调的是动作正在进行的状态,故选D。