Which sentence BEST explains Richard's biggest problem in
the passage?

A Richard needs to decide if he wants to sell his ranch
to a geothermal plant.
B Richard must decide if he supports geothermal
energy.
C Richard must decide if he should allow a company to
build a geothermal plant on his property.
D Richard needs to find a way to keep his family from
being harmed by geothermal energy.