Did Rogerio Have a Duty to Provide Assistance to Tamika

Multiple Choice

Did Rogerio have a duty to provide assistance to Tamika and Billy during the dive?

A) Rogerio had a duty to come to their assistance only if no one else did so.
B) Rogerio had a duty to come to their assistance only if they were minors.
C) Rogerio had a duty to come to their assistance only if he had specifically agreed to do so prior to the dive.
D) Rogerio had a duty to come to their aid because he arranged the dive and was charging them.
E) Rogerio had no duty to provide any assistance to them.