READ THE PASSAGE, THEN ANSWER THE QUESTION

98.Read the passage, then answer the question:

In Britain, natural gas is the most popular fuel for heating homes and for cooking.

It is piped all over the country from the gas field below the North Sea. Natural gas

is used chiefly as a direct source of energy.

Question:What is natural gas used for?

A. It’s used for heating.

B. It is use for cooking.

C. It is used for heat the homes and for cooking.

D. It is used for heating homes and for cooking.