Which two statements accurately describe who can view the file by default?

Susan posts a file to the chatter fees for a record of an object which OWD is private.

Which two statements accurately describe who can view the file by default? Choose 2 answers.
A . Susan and users with the View All Data permission.
B. Susan and users with access to the record.
C. Susan and users with a shared chatter post link to the file.
D. Susan only.

Answer: A,B