In order to keep fit he chooses vegetables and fruit in to any kind of meat.A. comparison

问题补充：

In order to keep fit, he chooses vegetables and fruit in to any kind of meat.

A. comparison

B. preference

C. control

D. advantage

答案：

A. comparison

(答案→)B. preference

C. control

D. advantage

解析：考查名词：A. comparison比较，B. preference偏爱，C. control控制D. advantage好处，词组：in preference to优先于.....，句意：为了减肥，他优先选择蔬菜和水果而不是肉类。选B。