The correct answer is C. Chaperon.
A chaperone is an adult who accompanies a young person on a social occasion, especially to protect their reputation. The word chaperone comes from the French word chaperon, which means “hood” or “cloak.” In the Middle Ages, a chaperone was a woman who wore a hood or cloak to cover her head and face. She would accompany a young woman on social occasions to protect her from unwanted attention.
Today, the word chaperone is used to describe any adult who accompanies a young person on a social occasion. The chaperone’s job is to make sure that the young person is safe and behaves appropriately. Chaperones are often required for school dances, proms, and other events where young people might be tempted to engage in risky behavior.
The other options are incorrect. A spinster is an unmarried woman, usually past the age of marriage. A matron is a married woman, especially one who is older and has children. A chandler is a person who makes or sells candles.