问题详情

What kind of person would you say the old man was？
A．He was not happy because people didn"t understand him.
B．He was kind enough though very strange.
C．He was a person who remained puzzling (令人迷惑不解的) after much thought.
D．He was expert at the study of the woods.请帮忙给出正确答案和分析，谢谢！