How many of those phrases are correct?

[Guyper]

A."I didn't care about the movie as soon as I find out who's the director."
B."I didn't care about the movie as soon as I found out who's the director."
C."I stopped caring about the movie once I find out who's the director"
D.:I stopped caring about the movie once I found out who's the director"

Thanks

[theydidthemonstermash]

I'd say the last one.

[Custom Kiwi]

The last one is closest to being correct but even it's wrong. It should say:

D.:I stopped caring about the movie once I found out who the director was"