First-person to answer gets Brainliest (DO NOT GUESS)

Read the following excerpt from “Lift Every Voice and Sing” and answer the question
that follows.
Sing a song full of the faith that the dark past has taught us,
Sing a song full of the hope that the present has brought us.

How does the repetition in these lines help convey the meaning of the lyrics? RL.7.4
a. by suggesting the type of gift the speaker wishes to make to the listener
b. by explaining why the speaker fears that the present will be like the past
c. by showing how the speaker draws strength from past and present
d. by reminding the listener of the subject of the song