Seldom in my life _____such a big snowstorm as the one in early 2008
问题描述：
Seldom in my life _____such a big snowstorm as the one in early 2008
A.I did see B.I have seen C.did i see D.have i seen
答
选C,seldom是否定词,放在句首时,要用倒装形式
这句话的意思是一生中难得见到像2008年初这样的大雪
并不表示完成,所以选C