Multi-select problem: How does the next paragraph end?

A boy in karate class bows before a performance. the boy

Options are:
A). then flips multiple times to catch his balance as he prepares for a kick.
B). in karate suit begins to chase after and twirl around the students.
C). begins to stroke his cello, forming three and two.
D). performs a karate routine with hand scythes.
D).