Stanley Has Just Visited His Cardiologist, and He Is Told

Stanley has just visited his cardiologist, and he is told that it would be a very good idea if he were to lower his level of low density lipoproteins and increase his level of high density lipoproteins. Which of the following would Stanley be well advised to do to make this happen?

A) Start taking calcium supplements each night before bed.
B) Add more fiber to his diet.
C) Add a stool softener to his medication combination.
D) Start taking vitamin D with "rose hips."