题目内容：

the life of milu deer _____.it is hoped that one day they will live in the wild again.
a.was studied
b.would be studied
c.is being studied
d.had been studied
为什么?

优质解答

选C
因为后面的句子用的是现在式,也就是milu deer 的研究正在进行.
【公益慈善翻译团】为你真诚解答!