B. VIOLIN
Lute, harpsichord, and cello are instruments that would likely be played for basso continuo in a Baroque musical piece.
Solo violin can be accompanied by Basso continuo.
Basso Continuo means "continuous bass". It is a form of musical accompaniment introduced during the Baroque period.
Explanation:
Commedia dell'arte, a traditional Italian form of physical comedy, uses masks and often they appear in Elizabethan and Restoration comedies, where a character might use one as disguise. In Greek theatre the actors all wore exaggerated masks to communicate character.