Answer:
answer is a
Explanation:
keyword is expository it means something that shows how this works i dont think funny characters show how tbe moon changes shape so just cross off the ones that don't make sense.
Yes, I believe it's possible. You can potentially narrow your topic down so much that you leave no place to make any strong arguments or counter-claims.
B. This is answer is mentioning multiple parts which are dependent on the sentences structure.