To Be Defined as a Ganglioside, a Lipid Substance Isolated

To be defined as a ganglioside, a lipid substance isolated from nerve tissue must contain in its structure

A) an N-acyl fatty acid derivative of sphingosine plus a hexose.
B) N-acetylneuraminic acid (NANA) , N-acetylgalactosamine, a hexose, long chain fatty acid and sphingosine.
C) N-acetylneuraminic acid (NANA) , a hexose, a fatty acid and sphingosine.
D) NANA, a hexose, a fatty acid, sphingosine and phosphatidylcholine.
E) a 9 carbon 3-deoxy-5-amino sugar called neuraminic acid, sphingosine and ethanolamine.