Question

The education system rather than the teachers __________for the overburden on the students．

1. A.
   are to answer
2. B.
   is to answer
3. C.
   are answered
4. D.
   is answered

Answer 1

B
考查主谓一致。rather than连接两个主语，谓语动词取决于前者，be to do 表示将来，一定做某事。所以选B 。