B, cholesterol needs to leave the liver cells in the form of low-density lipoprotein, enter the blood and be transported to the whole body tissue. So b is wrong.
C. Triglycerides are excreted from liver cells in the form of very low density lipoprotein. So c is wrong.
D according to the analysis diagram, acetyl coenzyme a should be an intermediate product of sugar metabolism, which can enter the tricarboxylic acid cycle and be completely oxidized. Therefore, d is correct.
So you should choose D.