单选题 More thunderstorms ______ in summer than any other time of the year.
  • A. happened
  • B. have happened
  • C. happen
  • D. will happen
【正确答案】 C
【答案解析】[解析] 该句中的时in summer than in any other time of the year属于一般性的时间,表示每一年的状态,所以应该用一般现在时态。