This question is based on the chapter “Memories of Childhood” by Zitkala-Sa. The story describes the cultural oppression faced by Native American children in a boarding school.
Step 1: Understand the context.
When Zitkala-Sa resisted the cutting of her hair, her friend Judewin warned her that the authorities were powerful and strict. She told her that they had to submit because the authorities were strong.
Step 2: Analyze the options.
(A) Zitkala-Sa: This is correct because Judewin spoke these words to Zitkala-Sa.
(B) Her friends: The words were not addressed to a group of friends.
(C) Christine: Christine is mentioned in the chapter, but these words were not spoken to her.
(D) The teacher: Judewin did not say this to a teacher.
Step 3: Conclusion.
Since Judewin said these words to Zitkala-Sa, the correct answer is (A).
Final Answer:
\[
\boxed{(A) \, \text{Zitkala-Sa}}
\]