Select the correct answer.
What is a central idea of "The Land of Red Apples"?

A.
Zitkála-Šá's initial excitement about her journey was soon overtaken by sadness because of how she was treated in the missionary school.
B.
Zitkála-Šá was a frightened little girl who should not have traveled so far away from her family into unfamiliar surroundings.
C.
The paleface people encountered by Zitkála-Šá throughout her journey were rude and bold, so she had every right to be upset.
D.
The eight children traveling with the missionaries had been truly excited to travel on the iron horse, also known as a train.