__________ are short term regulators of appetite,whereas __________ is a long-term regulator.
A) Insulin and cholecystokinin (CCK);peptide YY (PYY) B) Peptide YY (PYY)and insulin;cholecystokinin (CCK) C) Peptide YY (PYY)and cholecystokinin (CCK);insulin D) Leptin and insulin;cholecystokinin (CCK) E) Leptin and insulin;peptide YY (PYY)