I think it is C, but you can choose to guess or search it up in google.
Object permanence. Meaning they think it is gone for good when it is out of their sight.
You know the answer is correct when the answer has a good star review such as 5 stars or has a good amount of likes. Everyone has a title by their name, the higher status it is, the more likely their answer would be right.
Imitative polyphony often printed religious in nature.
