15. Which molecule is involved in HDL-mediated reverse cholesterol transport (RCT) to the liver? (A) Acetyl-CoA Carboxylase (ACC) (B) Acyl-CoA cholesterol acyl transferase (ACAT) (C) ATP Binding Cassette Transporter A1 (ABCA1) (D) Hydroxymethylglutaryl-CoA reductase (NADPH) (E) Sterol regulatory element-binding proteins (SREBPs)