问题详情

Questions 18-21
Do the following statements reflect the claims of the writer in Reading Passage 2？
In boxes 18-21 on your answer sheet write
YES——if the statement reflects the claims of the writer
NO——if the statement contradicts the claims of the writer
NOT GIVEN——if it is impossible to say what the writer thinks about this
Thirty per cent of deaths in the United States are caused by smoking-related diseases.
A．YES
B．NO
C．NOT GIVEN请帮忙给出正确答案和分析，谢谢！