is the most important festival in China.A. ChristmasB. Spring FestivalC. Mid-autumn DayD.

问题补充：

is the most important festival in China.

A. Christmas

B. Spring Festival

C. Mid-autumn Day

D. National Day

答案：

A. Christmas

(答案→)B. Spring Festival

C. Mid-autumn Day

D. National Day

解析：这是一个考查常识的题。什么是中国最重要的节日？当然是春节了。所以选B 。