I'm very sorry to hear that this is happening to you. Just keep your head up high. You should probably talk to your teacher. Keep you head up and stay strong.
C) Strike while the iron is hot - Take any chances you get.
The basketball team HAS WON every game so far.
Team is a collective noun and it should be treated as a subject in a singular form unless indications are presented in the sentence.
Since it is in a singular form, the verb should also be in a singular form. Thus, the use of "has won" instead of have won.
Can you provide the passages?