Jim Was a Mechanic

Jim was a mechanic.One day when he attempted to weld a car's gasoline tank,it exploded and he was hurt.He filed to collect workers' compensation.His employer resisted on grounds that Jim had been negligent and had also violated the express regulations of the company when he attempted to weld a gasoline tank.Which statement is correct?

A) Jim cannot recover if it is shown that his negligent conduct caused the explosion.
B) Jim cannot recover if it is shown that he violated the express regulations of his employer.
C) Workers' compensation doesn't apply in situations like this.
D) Jim can recover even if he was negligent and violated the employer's rules.