In the Reaction Catalyzed by Aldolase, the Bond Broken Is

In the reaction catalyzed by aldolase, the bond broken is between C-3 and C-4 of the substrate. Which functional groups are present on these two carbons (C-3 and C-4) in the products?

A) C-3 becomes an alcohol; C-4 becomes a carboxylic acid.
B) C-3 becomes an aldehyde; C-4 becomes a ketone.
C) C-3 becomes an aldehyde; C-4 becomes an alcohol.
D) C-3 becomes an alcohol; C-4 becomes an aldehyde.
E) C-3 becomes a ketone; C-4 becomes an alcohol.