Many rules in English are and large numbers of students feel them.A. puzzled; puzzled w

问题补充：

Many rules in English are , and large numbers of students feel them.

A. puzzled; puzzled with

B. puzzling; puzzled about

C. puzzled; puzzling with

D. puzzling; puzzling about

答案：

A. puzzled; puzzled with

(答案→)B. puzzling; puzzled about

C. puzzled; puzzling with

D. puzzling; puzzling about

解析：puzzling和puzzled都是形容词，前者和事物连用较多，后者和人连用较多，故本题选B。