What is the minimum required information in the file name for audiences onboarded from the CRM system?

What is the minimum required information in the file name for audiences onboarded from the CRM system?
A . ftp, dpm, DPID, DPID_TARGET_DATA_OWNER, TIMESTAMP, .sync/.overwrite, SPLIT_NUMBER, gz
B . ftp, dpm, DPID, TIMESTAMP, .sync/.overwrite
C . ftp, DPID, TIMESTAMP, .sync/.overwrite
D . ftp, DPID_TARGET_DATA_OWNER, TIMESTAMP, .sync/.overwrite

Answer: A