"The voice came from an oblong metal plaque like a dulled mirror which formed part of the surface of the right-hand wall."

In the sentence above, the word "plaque" most likely means:
A. a sticky deposit on teeth in which bacteria proliferate
B. an ornamental tablet
C. a trophy
D. a flat piece of metal used to honor a person's achievement

Plaque, in the context of the sentence, most likely means an ornamental tablet. It refers to a flat piece of metal that is used for decorative or commemorative purposes, like the oblong metal plaque described in the sentence.

For example, in African art, brass plaques were used to symbolize power and authority, showcasing detailed visual representations of court life.

This usage aligns with the meaning of plaque as an ornamental tablet, emphasizing its decorative and commemorative nature.

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