Which of the following be　to + infinitive construction may be used in the sense of was destined to, i.e. denoting a past destiny?

A.They said goodbye, little knowing they were never to meet again.

B.He said that we were not to came this Friday.

C.As I was not to work the next day, I went to bed very late.

D.They were not to get away with it if they didn't learn their lessons.

正确答案：They said goodbye, little knowing they were never to meet again.