August 8th is a special day I think that will be remembered by the Chinese forev

问题补充：

August 8th, is a special day, , I think, that will be remembered by the Chinese forever.

A. one

B. what

C. which

D. the one

答案：

(答案→)A. one

B. what

C. which

D. the one

解析：考查同位语及定语从句。one作a special day 的同位语，I think为插入语，后面是定语从句，修饰先行词one，句意：8月8号是特殊的一天，我认为它是中国人永远记住的一天。故选A。