After a Heated Argument Between Picketers and Managers Crossing the Line

After a heated argument between picketers and managers crossing the line, five workers set fire to three company cars and ruined other company property. Can management express its displeasure by firing the employees?

A) No. Under statute employees cannot be fired while on strike.
B) No. Temporary flare- ups of violence on picket lines do not constitute just cause for dismissal.
C) No. Under statute employees have the right to be reinstated in their previous positions.
D) Yes. The employer will have grounds to discharge employees so long as it can be proved that they have engaged in serious misconduct while on strike.
E) Yes. Employers are always at liberty to discharge any employee deemed to have behaved improperly during a strike.