Which detail from the text BEST supports your answer from part A? awnser from part A: “the author wanted to inform the audience about the history and uses of charcoal”

A. Many people use charcoal, but few know where this unusual rock-
likematerial comes from.

B
Over hundreds of years, people have perfected ways to extract carbon
from the wood, but this process can be challenging.

С
However, even more of the wood was ruined in this process. If a worker
used one hundred pounds of wood, he or she would most likely only
produce about twenty pounds of charcoal.

D
Charcoal...is...turned into small rocks called briquettes. Briquettes are
easy to ignite and burn with high heat and little smoke, perfect
conditions for cooking.