Which of the following statements describes the results of excessive microbiological growths within a fuel system?（）

A. all excessive amounts of growth will cause the main engines of the vessel to stall due to the inability to supply the proper quantities of fuel to satisfy the existing load
B. The deposits produced by these growths form blockages and flow restrictions ultimately leading to improper atomization of the fuel into the cylinders
C. Eventually the growth of these organisms will deplete the supply of food available to them, which in turn will cause their demise
D. If continual growth is permitted, a sweet odor similar to that associated with baking will be noticed when system components are opened for inspectio