Answer:
D - The characters actions and expressions.
Explanation:
Stage directions give indication to the characters actions and expressions. It states who is coming and going (and from where) and what they will be doing.
The store display rotates 40 times every half hour meaning that it will rotate 80 times every hour. To find how many times it will rotate in 4 hours, you can do 80 times 4. This is 320 rotations.
Also, please try and correctly list your question as this does not pertain to this subject.
Answer:
What do you need help with?
I would agree with you - the conclusion should leave readers with an important thought at the end.
This thought should never be new, or opposing to the previous ideas you had been writing before. It also shouldn't be confusing, but quite conversely - it should explain everything and put everything in place.