What is Paragraph 3 mainly about?A.The structure of straw houses.B.The possibility of buil
What is Paragraph 3 mainly about?
A.The structure of straw houses.
B.The possibility of building straw houses.
C.The suggestions for building straw houses.
D.The advantages of straw houses.
请帮忙给出正确答案和分析,谢谢!