For the 3rd one it would be D. You see the evidence when it says “to avoid having students gather in groups”
For the introduction introduced the play, bring up the meaning of betrayal and mention that Julius was betrayed. But don't explain it all there, you can go more into detail about that stuff in the following paragraphs. For the concluding paragraph you can briefly summarize what you had written, but don't bring up any new information at all.
Answer:
It's an online note book for taking lessons
Explanation:
Key features
1. Editable : notes on eNotes are easily editable because they're online based note that can be deleted or rephrased as one may please.
Formatting : eNotes are easy to format unlike the hand written lesson notes. One can decide to erase everything and start afresh when taking eNotes.