If a doctor gives a patient only a few options for lifestyle modificat

IMO B
If a doctor gives a patient only a few options for lifestyle modification, the patient is more likely to adhere to the doctor’s advice than if the doctor gives the patient many options.

Which one of the following most accurately expresses the principle illustrated above?

(A) People are especially likely to ignore the advice they get from doctors if they are confused about that advice. - Incorrect. As it talks ppl will ignore single option from docs as well if they are confused which is not true
(B) People dislike calculating the best of a variety of choices unless they can see a clear difference among the benefits that would result from each choice. -Best of the lot. Prethinking involves in which case does ppl will not adhere docs multiple options. If multiple best options are provided.
(C) The tendency people have to alter their behavior varies inversely with the number of alternatives available to them for behavior modification. - ofs-Behaviour modification.
(D) Most people are unlikely to follow their doctor’s advice unless they can vividly imagine the consequences of not following the advice. -ofs
(E) In getting good results, the clarity with which a doctor instructs a patient is of equal importance to the accuracy of the doctor’s diagnosis on which that instruction is based.- ofs

BTW what is OA??