Landlord Jones Did Not Replace the Broken Ladder in the Pool

Multiple Choice

Landlord Jones did not replace the broken ladder in the pool of his apartment complex,even though it had been broken for two years and there was a sign posted to indicate that the ladder was broken. Manuel,a tenant of Mr.Jones',is seriously injured by the ladder while trying to exit the pool. Manuel sues Jones. Jones' best legal defense would be:

A) res ipsa loquitur
B) assumption of the risk a reasonable person would get a flashlight or take other precautions
C) Burton did not intend the injury
D) the tenant always has the duty to change the light bulbs