I’ve got a lot of books are written in foreign languages.A. and most of which B. some of

问题补充：

I’ve got a lot of books, are written in foreign languages.

A. and most of which

B. some of which

C. some of them

D. most of these

答案：

A. and most of which

(答案→)B. some of which

C. some of them

D. most of these

解析：考查句式结构，句意：我有很多书，一些是用外语写的。有两种句式，一种是非限制性定语从句，some of which，一种是并列句and some of them，选B。