Question

Fewer patients ________ in People’s Hospital this year than last year．

1. A.
   are treated
2. B.
   have treated
3. C.
   have been treated
4. D.
   treat

Answer 1

C
解析：
patients与treat之间是被动关系，应排除B、D两项；一般现在时表示普遍的或习惯性的动作，应排除A项。