If you just declined an invitation to go out with friends so that you can study, and then another friend offers you a beer, according to research in chapter 5, what can you do to exert some self-control and stick with your study plan?A. Have a cookie instead. You deserve some sort of treat.B. Promise yourself you'll only have one. It can't affect studying that much.C. Take a break and collect yourself. You can resist the temptation.D. Give up. There's nothing you can do now; you've already seen the beer