AWAKENED :

Answer: Option A

Realized :become fully aware of (something) as a fact; understand clearly.
Shook : emotionally or physically disturbed, upset
Briefed :concise, abbreviated, succinct, summary, terse.
Enlightened :having or showing a rational, modern, and well-informed outlook, Awakened.
Awakened :rouse from sleep; cause to stop sleeping.

Synonym of Awakened is Enlightened.