()of your answer is right .Please have a third try.

问题描述:

()of your answer is right .Please have a third try.
A.Neither
B.Both
C.None
D.All

选A.因为需要试第三次,因而前两次应该都不对.a third try 中的a 表示又一次,再一次..Both 和All作主语,谓语动词应用复数,而None常指三者以上的人和物,都不符合题意.