Choose the closest paraphrased version for the sentence or italicized part.
Food was short: his vegetable garden became less a hobby than a necessity.（）
A.正确答案BDue to lack of food, it was necessary for him to plant vegetables.
B.He used to plant vegetables as a hobby. Now because of lack of food, it became his necessary labor.
C.Planting vegetables was not his hobby, but he had to work in his garden.
D.Without enough food, he had to plant vegetables in his garden.
