A Comprehensive General Liability policy includes Property Damage coverage for which of the following incidents?

a. an insured intentionally causes a fire that burns down the building in which he is the sole tenant.

b.an insured's personal property on a premises is destroyed by a fire.

c.an insured repairs a boiler for a dryer cleaner that explodes and causes extensive damage to the building.

d. an insured leases a computer that is subsequently damaged by an employee