What is the most important thing for an audio engineer?

As a result of the germanic tribes sacking rome

How did the timing of the attacks on 9/11 affect how many people witnessed them? a. they happened at night, so no one knew until the next morning b. the attacks occurred during morning news programming c. the weather was bad on september 10th, so the attacks had been delayed d. the attacks were supposed to happen during the world series

Me i'm crying, 2 hour left till i have to submit ! brainliest!