Many rules in English are , and large numbers of students feel them.
A. confused; puzzled with
B. confusing; puzzled about
C. confused; puzzling with
D. confusing; puzzling about
网友回答
A. confused; puzzled with
(答案→)B. confusing; puzzled about
C. confused; puzzling with
D. confusing; puzzling about
解析：在英语上许多规则令人困惑，并且许多学生对它们感到很困惑。Confusing 令人困惑的，修饰物，be puzzled about 对什么感到困惑，主语是人，所以选B。