_______the Chinese New yearA on B in C at D 其他_______快－－－－－－－－－－－－－－－!一定准确————————————!如好加分————————!

throughout
Ex:Clothing mainly featuring the color red is commonly worn throughout the Chinese New Year because it is believed that red will scare away evil spirits and bad fortune.

during

A

B

在英语中,表示在哪一年,可以用介词in,如果你想表达的意思是在某个时间段期间,可以用during;如果你想表示的是在中国新年的那天夜晚,应该用介词on,只要是涉及到哪一天都是用介词on.
综合上面说的,我选择B项.

如果有the就应该是during (D)
但是不知是不是有问题，因为如果每有the可以用A on.

during
chinese new year is a period of time, not a particular day but several days. In this case, we use "during "
As to the prep. "on", we use that when it comes to merely one day, such as On Christmas Eve, or On Tree Planting Day and etc.