What is the meaning of meretricious as it is used in this sentence from "The Gift of the Magi"?

It was a platinum fob chain simple and chaste in design, properly proclaiming its vale by substance alone and not by meretricious ornamentation--as all good things should do.
A. showy and vulgar
B. fashionable and glitzy
C. low-quality and cheap
D. ridiculous and exaggerated

Bot GPT 3.5 Bot GPT 3.5 answered

A. showy and vulgar