单选题 I think it's the driver rather than the passengers who ______ for the accident.
A. is to blame B. are to blame
C. are to be blamed D. should blame

【正确答案】 A
【答案解析】[解析] be to blame表示“该受责备”，C项和D项不符合短语结构，排除。ratherthan连接两个并列主语，谓语动词应和前面的主语一致。