【题目】This is the benchmark ___________ students ultimately model their own passion to learn.
A.on which
B.by which
C.on that
D.by that

【答案】B
【解析】句意：这是一个基准，通过它能使学生最终模仿自己的学习热情。句中包含定语从句，先行词是benchmark，在定语从句中作状语，指通过这种方式，用介词by+关系代词which引导，故选B.