What Would Happen to Nutrient Cycling in a Forest Ecosystem

What would happen to nutrient cycling in a forest ecosystem if all of the bacteria,protozoans,fungi,and worms were eliminated?

A) Dead plant and animal matter would accumulate more quickly than it is decomposed, and the soil would become depleted of nutrients.
B) Dead plant and animal matter would decay more rapidly than it is decomposed, and the soil would accumulate nutrients at a faster rate.
C) There would be no discernable change in the rate at which dead plants and animals decompose and no change in the rate of nutrient accumulation in the soil.
D) Dead plant and animal matter would accumulate more quickly than it is decomposed, and the soil would accumulate nutrients at a faster rate.