人们经常把节食当作一种具体的减肥计划，然而节食是取决于我们所吃的食物种类及摄入多少。

人们经常把节食当作一种具体的减肥计划，然而节食是取决于我们所吃的食物种类及摄入多少。

A.PEOPLE OFTEN THINK OF A DIET AT A SPECIFIC WEIGHT-LOSS PLAN, BUT DIET IS THE TYPES AND AMOUNTS OF FOOD WE EAT.

B.PEOPLE OFTEN THINK OF A DIET AS A SPECIFIC WEIGHT-LOSS PLAN, BUT DIET IS THE TYPES AND AMOUNTS OF FOOD WE EAT.

C.PEOPLE OFTEN THINK OF A DIET ON A SPECIFIC WEIGHT-LOSS PLAN, BUT DIET IS THE TYPES AND AMOUNTS OF FOOD WE EAT.

D.PEOPLE OFTEN THINK OF A DIET WITH A SPECIFIC WEIGHT-LOSS PLAN, BUT DIET IS THE TYPES AND AMOUNTS OF FOOD WE EAT.

正确答案是B