某男，40岁，身高1.7m，体重85kg。其父亲也患有肥胖症。该男子的日常食物摄入量不高，不愿参加运动。你认为应该如何帮助他减肥（）。

A.减少能量摄入为主

B.采用适当的减肥药物

C.减少能量摄入+减肥药物

D.低脂肪饮食+规律运动

E.上述都可以

How many people are directors of both Company K and Company R ？（）
(1)There were 17 directors present at a joint meeting of the directors of Company K and Company R, and no directors were absent,
(2)Company K has 12 directors and Company R has 8 directors.

A．条件(1)充分，但条件(2)不充分．

B．条件(2)充分，但条件(1)不充分．

C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．

D．条件(1)充分，条件(2)也充分．

E．条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．