Aziz Goes to the Doctor and Has a Blood Cholesterol

Aziz goes to the doctor and has a blood cholesterol test done.The results show that his total cholesterol is slightly high,his HDLs are very high,and his LDLs are low.Aziz is alarmed by the numbers because his father had atherosclerosis.Aziz's doctor gives him more information.Which of the following statements is the doctor likely to make? 

A) It is preferable to have a high concentration of low-density lipoproteins (LDLs) in the plasma because LDLs operate to remove cholesterol from the peripheral tissues and carry it to the liver,which secretes it into the small intestine.
B) It is preferable to have a high concentration of high-density lipoproteins (HDLs) in the plasma because HDLs operate to remove cholesterol from the peripheral tissues and carry it to the liver,which secretes it into the small intestine.
C) It is preferable to have equal concentrations of LDL and HDL.
D) Neither LDL nor HDL are involved in cholesterol regulation.
E) Plasma cholesterol concentration has no relationship to atherosclerosis.