题目内容：
根据以下材料回答：
Which of the following statements about monsoon is true?
A) Monsoon makes the temperature 5℃ to 18℃lower.
B) Monsoon blowing from May to August brings rain.
C) Monsoon goes from Siberia and the Mongolia Plateau.
D) Monsoon causes dry and cold summer in the country.
参考答案：
答案解析：