The correct answer is D) all of the above.
The traditional Flemish symbols that can be identified in the piece below are fertility, dogs, and windows.
I have attached the image for better understanding.
Flemish art originated in Flanders, Europe, modern-day Luxemburg, Belgium and parts of France, during the 15th to the 17th centuries. Flemish artists of the time such as Pieter Bruegel and Paul Rubens used oil painting techniques to portray in their paintings the situation of that time, with robust face elements in their works.