Which of the Following Statements Correctly Describes the Major Product

Which of the following statements correctly describes the major product of this reaction?

A) The major product is an enamine; imines form only when the amine is secondary.
B) The major product is a carbinolamine.
C) The major product is an enamine; to form an imine, the nitrogen-containing nucleophile must be ammonia.
D) The major product is an imine; imines are more stable than enamines.
E) The major product is an enamine because the carbonyl starting material is a ketone.