​If a Customer Trips and Falls Over a Rip in the Carpet

Multiple Choice

​If a customer trips and falls over a rip in the carpet in a retail store,who is liable under common law rules?

A) ​The customer is liable because he didn't watch where he was going.
B) ​The landlord alone is liable for not maintaining the property.
C) ​The tenant alone is liable for not informing the landlord of the defective carpet and getting it repaired.
D) ​The landlord and the tenant are probably both liable.