ask my dearest teachers' help

I have no answer to the question which I have asked other pesons and looked up dictionary but cannot get, so I need your help, teachers. Thank you very much.
We consider the matter_____.
A. to be settled B. settled

[mykwyner]

B. Settled. The matter to be settled is not settled in the present.

Choice A may be grammatically correct, but it is ambiguous.

Thank you o lot.

[Casiopea]

Additionally, to-infintives express an unrealized event. An event that hasn't happened yet or the speaker has yet to experience.

A settled matter. (realized)
A matter that is settled. (realized)
A matter to be settled. (unrealized)

Thank you a lot.