单选题 (Had the author) (see) that his novel (would) cause such a commotion, he (would not) have written it.
  • A. Had the author
  • B. see
  • C. would
  • D. would not


【正确答案】 B
【答案解析】动词形式错误,应改为seen。had+动词的过去分词,是动词的过去完成时形式。