—do you think that there’s___life on the moon —no,i don not think so a.a b.an c.the d./

题目

—do you think that there’s___life on the moon —no,i don not think so a.a b.an c.the d./

答案

选 D
life 在这里是 "生命"的意思
生命在这里是个抽象名词,所以用零冠词,即不用冠词.