I would definitely go with C. a topic sentence. While A. is never a bad idea, essay paragraphs tend to get marked as off topic if there is not a topic sentence. Hope this is helpful!
I would say beauty because usually when you are showing something and saying it in that way, it is usually something beautiful. hope this helped :)
Answer:
l think no. C.spreading quickly
The answer would be werethe highlight for me at the zoo
