Which of the Following Is an Example of a Rational

Which of the following is an example of a rational decision?

A) Jim enjoys the feeling of wind in his hair enough to ride his motorcycle without a helmet, even though he fully realizes the potential for injury it creates by not wearing one in the unlikely event he is in an accident.
B) Doris, a burglar who breaks into houses, decides to break into the house at 265 Elm Street, rather than the house next door because the house next door has a sign in the yard that says "home protected by a security system."
C) Brandon, a drug user, chooses to buy his cocaine from Pablo, because Pablo's cocaine is as good as the cocaine from other dealers, but Pablo has lower prices.
D) All of the above are examples of rational choices.