Regarding Fish Stocks, Which of the Following Statements Is False

Regarding fish stocks, which of the following statements is false?

A) Most stocks use frames or racks, heads, and/or tails of lean white fish.
B) The high gelatin concentration of fish heads contributes to the flavor and viscosity of the stock.
C) Fish bones generally contain more gelatin than chicken bones.
D) Floating fish frames are occasionally pushed down into the liquid to release the flavorful compounds from the bones.
E) The celery may be omitted for a milder flavor, and the carrots may be omitted if a golden color is not desired in the stock.