There’re more than 100 elements found in nature are metals.A. most of whichB. most of th

问题补充：

There’re more than 100 elements found in nature, are metals.

A. most of which

B. most of them

C. most of that

D. most which

答案：

(答案→)A. most of which

B. most of them

C. most of that

D. most which

解析： 考查介词+关系词引导的定语从句。先行词为100 elements关系词which，自然界中已经发现的100种元素中大部分是金属元素。