Final answer:
Comedia dell'arte is a style of comedy that originated in Italy in the 16th century and is known for using stock characters and improvisation. The stock bits of clownish action in comedia dell'arte are called 'lazzi', and comedia dell'arte plays introduced the concept of slapstick comedy. Therefore, the correct option is A.
Step-by-step explanation:
Comedia dell'arte is a style of comedy that originated in Italy in the 16th century. It is known for using stock characters, including the zanni and pantalone, and relies on improvisation and audience participation. The comedic style of comedia dell'arte has influenced comedic writing throughout history, including the works of Shakespeare and Molière.
Stock bits of clownish action in comedia dell'arte are called lazzi. These are short comic routines or bits of physical comedy performed by the actors. They often involve slapstick humor and exaggerated movements.
Commedia dell'arte plays also introduced the concept of slapstick comedy, which is known for its fast-paced, physical style and use of exaggerated violence. Slapstick comedy relies on comedic devices such as misunderstandings, foul language, and extreme physicality to create humor.