Which excerpt from “I Know Why the Caged Bird Sings” best justifies the inference that Bailey is a supportive brother to Marguerite?

Another Negro woman of her health and age would have been expected to carry the paper sacks home in one hand, but Momma said, "Sister Flowers, I'll send Bailey up to your house with these things."
I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it.
I was respected not as Mrs. Henderson’s grandchild or Bailey’s sister but for just being Marguerite Johnson.
Momma and Bailey were waiting inside the Store. He said, “My, what did she give you?” He had seen the books, but I held the paper sack with his cookies in my arms shielded by the poems.

The excerpt "Momma said, 'Sister Flowers, I'll send Bailey up to your house with these things'" best justifies the inference that Bailey is a supportive brother to Marguerite.

The excerpt that best justifies the inference that Bailey is a supportive brother to Marguerite is: "I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it." This quote suggests that Marguerite knows that Bailey will appreciate and understand her excitement about the room, demonstrating a supportive relationship between the siblings.

The excerpt from "I Know Why the Caged Bird Sings" that best justifies the inference that Bailey is a supportive brother to Marguerite is:

"I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it."

This excerpt indicates that Marguerite sees Bailey as someone who can help her appreciate and understand things. It suggests that she values his insights and opinion, indicating a supportive relationship between the siblings.