[Disgruntled Buyer] Ciaran Lived in His Home for Five Years

[Disgruntled Buyer] Ciaran lived in his home for five years without doing any upkeep of any type.He was aware that the roof leaked,that he had defective piping,and that the air conditioning did not work,among other problems.He sold the home to Luisa.He did not tell her anything about the problems with the house.Shortly after Luisa moved in,there was a thunderstorm resulting in water streaming down from the ceiling.Within a few weeks of her moving in,pipes began to burst resulting in significant water damage.The air conditioner also failed to work when she turned it on for the first time.Luisa demanded that Ciaran refund her purchase price and take back the house.Ciaran sent her a letter providing as follows:Dear Luisa,Caveat emptor.You have marketable title.Regards,CiaranLuisa is furious and wants to sue.
-What does the term "caveat emptor" mean?

A) Title has passed.
B) Let the seller beware.
C) The buyer was negligent.
D) The buyer was unintelligent.
E) Let the buyer beware.