Not All Countries Allow MNCs the Freedom to Net Payments

Not all countries allow MNCs the freedom to net payments,

A) the U.S., Canada, and Great Britain allow only netting between each other.
B) some countries require the MNC to ask permission, and some countries limit netting.
C) but that is fine, since netting typically has costs that outweigh the benefits for a MNC.
D) all of the above may be correct