根据短文内容，从短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。
There are all sorts of good sensible reasons to avoid getting angry. Not only does it make us feel bad, it also makes us do stupid things without noticing the risks and it can be self-destructive ( 毁坏性的). _______ But like all emotions, anger has its purposes, which can be used for good effects.
Anger is a motivating force.
In fact anger itself is a kind of positive energy and a powerful motivating force.         ___    When we see something as beneficial, we want it more when we are angry. So, when used right, constructive anger can make us feel strong and powerful and help push us on to get what we want.
   
It may sound like a strange thing to say, but angry people have something in common with happy people. That's because both tend to expect favorable results. By comparison those experiencing more fear are more pessimistic (悲观的) about the future and expect further terrors.
Anger can benefit relationships.
Society tells us anger is dangerous and we should hide it .The problem is that when we hide our anger, our partner doesn't know he's done something wrong. And so he keeps doing it.      The expression of anger, if reasonable and aimed at finding a solution, can actually benefit and strengthen relationships.
Anger provides self-understanding.
Anger can also provide understanding into ourselves, if we allow it. Getting angry leads to a positive outcome. Anger help discover our own faults. If we can notice when we get angry and why, then we can learn what to do to improve our lives.         ____

A．And that doesn't do our relationship any good.

B．Anger can turn us on and thus push on towards our goals in the face of problems and barriers.

C．Anger reduces violence.

D．Angry people are more optimistic.

E. Most of us treat our anger as though it's unreasonable, unshowable and unmentionable.
F. That's because it's a very strong social signal that a situation needs to be solved.
G. Anger can encourage self-change.