To say that something is facing something else, we would use de. (2 points)

To say that something is facing something else you can say: "frente de" if its a location or a place, you can also use "enfrentar algo mas" in order to say that you are facing other things like facing a difficult situation or an enemy. Another type of facing could be related to "dar la cara" or to face a disagreeent or to solve a problem

Cuando una persona es vieja, se cree que es mas joven. 

Ashould be your answer