Multi-choice problem: Continue writing the next sentence in this paragraph:

Two boys perform karate on front people stand in a circle. Then, a woman and a man join the boys to perform karate in an alternate way. after

Pick from:
a). , the men shake hands and kiss daughters before going back to performing karate.
b). , people applaud them and joined people to join the boys.
c). , the boys perform karate in a circle, then they sit on safety helmets and pose, then the girl jumps and a man stands next to her holding a sign.
d). , the boys left, and the woman and the man do karate, next the man takes from his waist a rod to hit the woman, but she hits the man.
d).