I think the answer is d hope this helps and have a great day!!
A harpsichord creates sound when strings are plucked.
D.
Answer:
A To recognize his nonviolent effort and to end oppression
Its basically a book that tells u the synonyms( another word for a word), like the word extreme, a synonym for that is extraordinary, and also antonyms( they are the opposites of words) as well, like say for example the word like, the antonym for that is dislike, so basically the opposite of a word, definition. I hope all this information helps u with your question.