Abner failed to mow the weeds on his corner property. After an auto accident at that corner, a person injured in the accident sued Abner. The allegation was that Abner had a responsibility to not pose a hazard to motorists by allowing his vegetation to obscure a clear view of oncoming traffic. This allegation is based on which one of the following concepts? A. negligence B. strict liability C. statutory law D. contractual liability