That the letter is found and answered so many years later is a(n)______to all the people.

学历类 专四 已帮助 人

That the letter is found and answered so many years later is a(n)______to all the people.

A.surprise

B.tragedy

C.glory

D.honor

请帮忙给出正确答案和分析,谢谢!

热搜:n维列向量组a1,an-1线性无关,且与非零向量正交