In winter, people in Devon and Cornwall, （）

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．it is cold and wet all the year round
B．the climate is pleasant as a whole
C．it is warm most of the time in a year
D．only the summer is not cold and wet