Question,
Kabuto absorbed some of Oro, correct? Then Kabuto learned the Dragon Sage Mode. Since Oro was apart of Kabuto is it possible for Oro to now have DSM?
You are indeed swaying into the right direction when trying to imply this theory.. However there is something you're missing which is quite crucial, and indeed contradicts your statement in the least..
Orochimaru cannot perform Sage Mode, and why is this? Because his body is to feeble for such an extensive craving technique such as Sage Mode.
Question,
Kabuto absorbed some of Oro, correct? Then Kabuto learned the Dragon Sage Mode. Since Oro was apart of Kabuto is it possible for Oro to now have DSM?