问题补充:
The boy, rather than his friends, for the accident.
A. are responsible
B. were responsible
C. be responsible
D. is responsible
答案:
A. are responsible
B. were responsible
C. be responsible
(答案→)D. is responsible
解析:主语后面跟有rather than引起的短语, 谓语和主语一致。主语the boy是单数,故选D。