Which statement best expresses the central idea of the text?

A
With greenhouses, different types of fruits and vegetables can be farmed throughout various cold seasons.
B
Greenhouses in Alaska ensure that residents can farm year-round, no matter how much sun is available.
C
With greenhouses, fruits and vegetables can be grown in any area of the world, at any time of year.
D
In the future, greenhouses in Alaska will allow farmers to grow fruits and vegetables in the winter with little effort.