A. Have become more casual over time
Metaphors are where two things are being compared without the use of like or as.
the metaphors from that excerpt would be: “the manacles of segregation”, “chains of discrimination”, “lonely island of poverty”, and “ocean of material prosperity”
The correct answer is C) compound. A compound sentence contains at least two independent clauses, as is in this case: 1. Isla held the microphone + and + 2. (Isla) sang for the crowd.