More than one hundred teachers work in our school and most of are from countryside.A. who

问题补充：

More than one hundred teachers work in our school, and most of are from countryside.

A. whom

B. them

C. whoever

D. Whomever

答案：

A. whom

(答案→)B. them

C. whoever

D. Whomever

解析：考查代词。根据句中的连词and可知，此题非考查定语从句，故用代词them，指代teachers，故选B。