Not sure exactly what you are asking for, but when you refuse permission, an appropriate response would be:
"I do not wish for my child to participate in today's events as I do not feel it will benefit his learning."
A good response to give permission:
"I give permission for my child to participate in today's events."
Answer ~ A.
Emma thinks only of herself and her own interests
By looking at the story In my opinion, It would be A since it does explain in sentence 3 and around sentence 3.
I hope this helps!~ :3