Instead of the National Military, to Retain His Power Qaddafi

Instead of the national military, to retain his power Qaddafi relied on the elite units comprised of tribal allies and led by members of his family. Why?

A) The national military defected en masse
B) Large swaths of national military members were killed by NATO attacks early in the uprising
C) The national military had been kept weak to prevent any coup attempts
D) The national military was already spread too thin, as Qaddafi had troops stationed in many neighboring countries