Choose the best topic sentence from the four options below. Write the corresponding letter of your choice on the Answer Sheet.
A
Petroleum a liquid fossil fuel, comes from decayed plants and animals.
B
Fossil fuels come from the earth and are among the most common types of energy used by man.
C
Coal comes from trees that died millions of years ago, decayed, and then hardened into black rock.
D
Natural gas is formed like petroleum, but the decayed plants and animals have been changed into different kinds of gases.
