A. The ringing of the alarm clock made me awake.
B. The alarm clock rang, startled and awakened me from sleep.
C. I was startled from the deep depths of slumber by the ringing of the alarm clock.
D. The alarm clock rang and startled me from the depths of slumber.
Given sentence is in simple past tense and it is in active voice, we need to change it into passive voice.
Rule :
Subject + (was / were) + V3 + Optional Agents.
