What should the Marketing Cloud admin consider when sending from the new IP Address?

Northern Trail Outfitters is migrating from a small, in-house email solution to Marketing Cloud.

What should the Marketing Cloud admin consider when sending from the new IP Address?
A . The IP address is on reserve, is already in use, and has an email sending history.
B . Building desirable sending history and data will be variable based on list size and engagement.
C . Sending in large volumes will alert ISPs the new IP Address is now in use.
D . Migration of larger marketing campaigns is necessary prior to bringing on smaller, triggered campaigns.

Answer: C