Read what happens after the narrator learns that his brother has a developmental disability.

Response:

The resonant tone of his voice reflects his joy that his brother is engaging in communication

Explanation:

The appropriate response is:

The resonant tone of his voice indicates his delight in communicating with his brother.

The narrator struggles to come to terms with the fact that his brother is different. He is not only physically challenged, but he also has a developmental disability. The narrator experiences shame regarding his brother and contemplates harming him with a pillow. A pivotal moment occurs when the narrator watches his brother from beneath the bed. Viewing it as a joke, the disabled brother smiles, leading the healthy brother to believe that his brother comprehended the prank. This realization fills the narrator with joy, and he rushes to inform their mother of this uplifting discovery.