Read the paragraph.

During the Middle Ages, peasants lived in houses that had thatched roofs which were strong. A thatched roof was made out of straw. The straw was tied into bunches, and then the bunches were woven together. The tightly woven straw would keep out the rain and snow. A well-made thatched roof would last many years.

What is the main idea of the paragraph?

A.
A well-made thatched roof would last many years.

B.
A thatched roof would keep out the rain and the snow.

C.
During the Middle Ages, peasants lived in houses that had thatched roofs which were strong.

D.
A thatched roof was made out of bunches of straw that were woven together.