Identify A and B in the given chemical reaction sequence :

Consider the given chemical reaction :

Product "A" is :

Identify 'A' in the following reaction :

Given below are two statements :

Statements I : Acidity of $$\alpha$$-hydrogens of aldehydes and ketones is responsible for Aldol reaction.

Statement II : Reaction between benzaldehyde and ethanal will NOT give Cross - Aldol product.

In the light of the above statements, choose the most appropriate answer from the options given below :