In the book: "Out of My Mind", Melody, the main character is frustrated.
The evidence can be seen in the part where Melody is put in a program special for slow learners.
Explanation
The program is not near her level and the program eats more time with teaching on a single alphabet, which makes her crazy.
Melody, the protagonist here is showed as a child who has difficulties in carrying out physical actions but has a great grasping memory which is not understood by everyone.
She wishes to be like 'normal' kids but most of the people around her give her difficult times including her class teacher.
B is correct because, in biography, the author choose someone that did something that influenced people.
Answer:
Yes. Not knowing that you do not know something is blissful as there is no curiosity to discover something that could cause further problems.
I believe that your answer is America.