The Cholesterol Molecule Is Found in Two Types of Complexes

The cholesterol molecule is found in two types of complexes: low-density lipoproteins (LDL) and high-density lipoproteins (HDL) .Which of these is considered "bad"?

A) (LDL)
B) (HDL)
C) both (HDL) and (LDL) ,because they produce trans fat.
D) Neither,only omega-3 fatty acids are bad
E) both (HDL) and (LDL) ,because they form saturated fat.