"But this eating by formula was not the hardest trial in that first day. Late in the morning, my friend Judéwin gave me a terrible warning. Judéwin knew a few words of English; and she had overheard the paleface woman talk about cutting our long, heavy hair. Our mothers had taught us that only unskilled warriors who were captured had their hair shingled by the enemy. Among our people, short hair was worn by mourners, and shingled hair by cowards!" - The school days of an Indian girl.

Why is Zitkala upset when her hair is cut?

A. Because only those who have reached adulthood have short hair
B. Because only women who are married are allowed to have short hair
C. Because only captured warriors and cowards have short hair
D. Because only those who are terminally ill have short hair