Paragraph 3 (lines 23-32) introduces the idea that...

A

oil reached the maximum volume of sales last century.

B

alternative sources of fuel are being employed at their peak capacity.

C

the world consumption of fossil fuels has been growing uncontrollably.

D

natural gas and coal are not suitable as replacements of oil in industrial settings.

E

fossil fuels emerged as the major energy source long 50 before the Industrial Revolution.