The Large and Remarkable Pogonophoran Annelids Live near Deep-Ocean Hydrothermal

The large and remarkable pogonophoran annelids live near deep-ocean hydrothermal vents where food items are scarce.These organisms,like those of many other species,are able to obtain enough nutrition by

A) conducting photosynthesis.
B) harboring endosymbiotic bacteria that fix carbon by oxidizing hydrogen sulfide and methane.
C) fixing carbon from the minerals found in the ocean's muddy floor.
D) filtering algae out of ocean water.
E) feeding on dead fish that sink to the ocean floor.