Which of the Following Locations Are Large Reservoirs for Carbon

Multiple Choice

Which of the following locations are large reservoirs for carbon for the carbon cycle?
I. atmosphere
II. sediments and sedimentary rocks
III. fossilized plant and animal remains (coal, oil, and natural gas)
IV. plant and animal biomass

A) only I and III
B) only II and IV
C) only I, II, and IV
D) only II, III, and IV
E) I, II, III, and IV