I don't hate my parents but I feel so annoyed by them?

I recomend that you just sit down with your parents and explain to them that the way that they are treating you isn't very good for your self esteem. All A's and only some B's is really good. B+ is not failing, D's are failing. Tell them how the way that they treat isn't very fair and remember that as long as you know that you did your best, nothing else matters. You don't need someone else's approval to know that you did your best. History isn't my forte and even though I always do my best and I don't always get the best grades anyway. You really should sit down with your parents though and talk to them about this. Good luck, and remember that even if your parents aren't always the most supportive, your the best you can be, and that's good enough for you.