Choose the correct verb form: If the government _____ more funds, renewable energy research _____ accelerated last year.

Choose the correct verb form: If the government _ more funds, renewable energy research _ accelerated last year.

A. had allocated / would be

B. allocated / would have been

C. had allocated / would have been

D. would allocate / had been

核心考点：虚拟语气时态搭配。解题思路：描述与过去事实相反的假设需用过去完成时+would have done结构。选项分析：C符合语法规范；A错在第二动词时态；B/D时态顺序错误。易错点提醒：容易混淆现在与过去虚拟语气的时态配合。

正确答案：C