The Conclusion That Porcelain Was the Single Most Important Commodity

The conclusion that porcelain was the single most important commodity in the unfolding world commercial revolution between 1500 and 1800 is supported by all of the following except:

A) Skyrocketing demand for porcelain products in European countries.
B) The depiction of Muhammad's face on many of them, in spite of Islamic prohibitions.
C) The use of bulk cargoes of porcelain as ships' ballast.
D) The appearance of porcelain as home furnishings in almost all households of means.