This form of opera used existing popular ballads and operatic arias, usually in such a way that the original title or lyrics of a song added a subtext:
A. Pantomime
B. Comic Opera
C. Ballad Opera
D. Opera Bouffes

Option C i.e., Ballad Opera.

Explanation:

This type of music used actual famous ballads and opera arias, typically in a manner that introduced a subutex to the original title or lyrics of a music that is Ballad Opera.

Option A is not true about the scenario because Pantomime describes the skill or strategy of communicating thoughts, behavior, sentiments and so on.Option B is some where true but it is not totally true because Ballad opera is a type of comic opera but its is ballad opera.Option D is not true about the scenario because Opéra bouffe describes a common type of luminous or satirical opera.

False if not look it up online