Question

(经典回放)More patients _______ in hospital this year than last year．

[　　]

A．

treated

B．

have treated

C．

had been treated

D．

have been treated

Answer 1

答案：D
解析：

patients与treat之间存在被动关系,应使用被动语态，故排除A、B两项；由时间状语this year可判断，应使用现在完成时态，故选D项。