The look on the student’s face suggested that your question made him .A. puzzling; puzzl

问题补充：

The look on the student’s face suggested that your question made him .

A. puzzling; puzzled; puzzled

B. puzzling; puzzling; puzzled

C. puzzled; puzzled; puzzling

D. puzzled; puzzling; puzzled

答案：

A. puzzling; puzzled; puzzled

B. puzzling; puzzling; puzzled

C. puzzled; puzzled; puzzling

(答案→)D. puzzled; puzzling; puzzled

解析：句意：在学生脸上的困惑的表情暗示了你的令人困惑的问题使他感到困惑。puzzling令人困惑的；puzzled人感到困惑的。故选D。