Thescienceofmedicineprogresshasbeenmadeveryrapidlylatelyisperhapsthemostimportantofallthesciences.AtowhichBinwhichCwhichDwithwhich为什么不是D呢?凭借医学取得了很大的进步

Question

The science of medicine___progress has been made very rapidly lately is perhaps the most important of all the sciences.
A to which
B in which
C which
D with which
为什么不是D呢?凭借医学取得了很大的进步

Answer 1

in which是说在医学这个领域取得进步
如果是凭借医学,那就是别的进步了对吧?凭借医学使得其它什么东西进步了,就不是医学本身了
题目里肯定是理解为医学自身进步了啊,没有提到医学促进了什么别的嘛