Several Persons Assemble at the Door of the House of One

Multiple Choice

Several persons assemble at the door of the house of one K and the appellant struck a blow with a kencha which fell on the left thigh of a workman working in the house of one K whom the appellant and others wanted to attack, and as the appellant struck at the very first person who opened the door and that was how that came to receive the injury.

A) every person is guilty of vicarious liability excluding the appellant
B) only the appellant is to be convicted for the said injury
C) none is guilty of vicarious liability
D) none of them