. All the doctors in the hospital insisted that he badly wounded and that he at once.A.

问题补充：

. All the doctors in the hospital insisted that he badly wounded and that he at once.

A. should be; be operated on

B. were; must be operated on

C. was; should be operated

D. was; be operated on

答案：

A. should be; be operated on

B. were; must be operated on

C. was; should be operated

(答案→)D. was; be operated on

解析：insist后的从句谓语有时用“should+动词原形”这样的虚拟语气，有时不用，具体要看该谓语动词所表示的含义。一般说来，若该谓语动词所表示的动作尚未发生，或尚未成为事实，则用虚拟语气；若该谓语动词所表示的动作已经发生，或已经成为事实，则要用陈述语气。分析上题的句意，可知只有选D最合适。