C would be the answer because Glen is having a battle in her mind about the decision she is about to make.
It stands for Alternating Current
The word you could possibly be looking for is "intent"
Answer:
Greet students and introduce yourself once everyone is seated. Include your name (what you would like them to address you by), your academic background, and your interests. You could say something like, “Good morning class, my name is John Smith, you can call me John or Professor Smith.