根据短文内容，从文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Sometimes willpoweris a lot like the television remote control hard to findjust when you want it most．       But there are waysto increase your willpower．
Don’t try to change your economic situation，win a promotion and lose weight all on the same morning．Setone clear，specific goaland make a realistic plan toachieve it. Extrawillpower sometimes requires extra energy，so don’t spread yourself too thin．     
Whatever your goal is，don’texpect to achieveit overnight．        ，If you are trying to kick a coffee habit，start by replacing your morning cup of coffee with a glass of water,instead of promising never to drink coffee again．Congratulateyourself on the small achievements．These successes help your willpower grow．
        Ask friends，family or colleagues for assistance and tell them exactly how they can help．If your credit card bills have risen，for instance，let friends now that you are cutting back on expenses．Suggest havinga common dinner instead of meetingat an expensive restaurant．Find support group or organization related to your goal and attend their meeting．Youcan get valuableadvice,understanding and information．
If possible，change your environment to encourage positive behavior．Want to get in shape?Keep a set of workout clothesinyour office as a reminder to stop by the gym on the way home. Quitting smoking?     

A．Real success takes time．

B．Focus on one goat at atime．

C．Change your environment to change your life．

D．Improve your willpower by a support network．

E．Changing your behavior requires more than willpower．
F．Avoid bars or restaurants where you might be attracted to light up．
G．Breaking a bad habit or forming a new and healthy one can be difficult．