问题
Doctor Wang atseven o’clock for the conference, but she didn’t turn up.
A:The author's grandfatherwas born blind
B:The author is seventyyears younger than her grandfather
C:The author often satopposite to her grandfather while reading
D:should be arriving
B:The author is seventyyears younger than her grandfather
C:The author often satopposite to her grandfather while reading
D:should be arriving
正确答案是：
