Which One of the Following Illustrates a Consumptive Use of Biomass

Which one of the following illustrates a consumptive use of biomass energy of a forest?

A) Indigenous peoples harvest tagua nuts from trees in a rain forest,carve them into animal sculptures,and sell them in the local market to tourists.
B) Hiking through a forest in the Appalachian mountains,some college students gather dead branches from the ground to make a fire to cook dinner.
C) Native people living in a Brazilian rain forest earn money by collecting exotic fruits and nuts and selling them in the local city markets.
D) In downstate Illinois,a farmer cuts up dead standing trees from a forest on his property and delivers the firewood to people living in the suburbs of St.Louis.