What Functional Groups Are in Aspartame, an Artificial Sweetener

Multiple Choice

What functional groups are in aspartame, an artificial sweetener?

A) ether, three alkenes, ketone, amine, amide
B) ester, aromatic ring, amide, amine, carboxylate
C) ether, aromatic ring, two amines, two ketones, alcohol
D) ester, two amines, two ketones, carboxylate
E) ether, three alkenes, two amine, two ketones, alcohol