During Incremental Addition of Composite Resin,how Will Each Additional Increment

Multiple Choice

During incremental addition of composite resin,how will each additional increment bond to the previously placed increment of composite?

A) If etchant is used between layers
B) If etchant and primer are used between layers
C) If etchant,primer,and bond agent are used between layers
D) If good isolation is maintained and no contaminants are introduced