We may try in_____to solve our problems on our own, but it is not until we face the truth that we will learn that we must work together for progress.

A: Credibility
B: Predict
C: Vain
D: Forgive

Respuesta :

The correct answer is C. vain.
To do something in vain means to do something unsuccessfully because that effort is futile and will not succeed. In vain is a phrase in the English language which means there will be no desired results, whereas the other phrases don't mean anything and are therefore incorrect.

Answer:

what they said

Explanation: