In____Marx began to learn Russian.
问题描述:
In____Marx began to learn Russian.
C.the year of 1870
D.the 1870's
答
如果是In the years of the 1870's的话就对了,或者是From the year of 1870的话在语法上(不考虑历史因素)也是对的,所以不能选C.