Generally speaking, a man can tell （）different odors.

A．flowers and vegetables from Devon are on the market one month earlier
B．farmers in the southwest grow as many vegetables and flowers as farmers elsewhere
C．people in the southwest have to pay a higher price for vegetables and flowers
D．vegetables in Cornwall ripen as much as a month earlier than flowers

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.