Which of the following circumstances best describes a landlord’s constructive eviction of a tenant who has a written lease for the property? A. The landlord refuses to provide utilities to the tenant. B. The landlord sues the tenant because the tenant complained to a government agency about the condition of the premises. C. The landlord changes the lock and refuses to give the tenant a new key. D. The landlord starts a legal proceeding against the tenant for failure to pay rent.