Mark leases a house to Julia. When Julia mentions that the bedroom door is difficult to close, Mark comes to the house and fixes the door. Unfortunately, Mark leaves a sharp edge on the door that Julia catches her foot on, making a deep cut requiring multiple stitches. Julia sends Mark her medical bills associated with the injury. Under the common law rules, must Mark pay?

a. No, because as the tenant Julia is responsible for repairs within the premises.

b. No, because the defect was obvious.

c. Yes, because the injury occurred in a common area.

d. Yes, because Mark negligently performed a repair.