Affect is to influence something
and
effect for the something that was influenced
affect is something caused like cause and effect but effect is a cause of something
<h3>This is a late answer but It is C.. (I think *v*) Hope it helps <3 </h3>
<span>"I myself would never quit the team in the middle of a season." uses an intensive pronoun correctly. Without "myself" the essential meaning of the sentence doesn't change, which makes myself an intensive pronoun, as it adds emphasis to the sentence.</span>
B: With whom will you be coming to the party? This is written correctly.