When it ______ research into heart disease and its effects on the body, we do not have adequate subs

题目简介

When it ______ research into heart disease and its effects on the body, we do not have adequate subs

题目详情

When it ______ research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.
A.refers toB.related toC.comes to D.talks to
题型:单选题难度:中档来源:不详

答案

C
考查句型:when it comes to 当谈到什么的时候,当谈到研究心脏病以及心脏病对人体影响的时候,我们没有足够的替代品在动物身上使用。故选C。

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