Which Is Correct

Which is correct:

A) Misappropriation of property takes place when one innocently comes into the possession of some movable property and thereafter changes his intention to keep it for his own use.
B) If a person finds somebody else's property but does not know as to whom it belongs to an keeps it for his own use, it is not misappropriation
C) Both (a) and (b)
D) None of the above.