Which enzyme deficiency is associated with the disease known as maple syrup urine disease?

A Branched-chain alpha-keto acid dehydrogenase complex
B Pyruvate dehydrogenase complex
C Alpha-glucosidase
D Galactose-1-phosphate uridyltransferase
Maple syrup urine disease is caused by a deficiency of the branched-chain alpha-keto acid dehydrogenase complex, which is necessary for the breakdown of certain amino acids.
Metabolic Disorders textbook
Enzymes in Disease Metabolic Disorders Amino Acid Metabolism Disorders Hard MEDICAL Confidence: high