FIRST QUESTION about Irving Berlin

I imagine you have had the time to watch all the performances. Then, I ask you the first question about the composer:
Which of these songs have been composed by Irving Berlin?
a) Three coins in a fountain
b) White Christmas
c) He used to be blind
d)Waiting for Santa Claus

If you know the solution, write a message to me, please.
Here is my address:
des.fleurs.pour.un.coeur.colibri@gmail.com