专业、全面、易懂的全领域名词百科

Thepurposethatthewriterwrotethearticleforis______.

题型：单选题

选项

A. to tell people that trees are very useful to man

B. to warn people not to cut down trees any more

C. to warn that man mustn’t destroy forests any more

D. to explain how trees help to prevent drought and floods

正确答案：C