单选题 ______ this coming Thursday, it will be too late to enroll for the course.
  • A. As of
  • B. As for
  • C. As to
  • D. As on
【正确答案】 A
【答案解析】[解析] As of在……时，到……时为止，从……时起。As for至于，就……方面说来。As to谈到，关于，根据。句意为：到即将到来的这个星期四，就太晚而不能进行课程登记了。所以，本题选A。