You take a story and explain the entire thing with only a couple paragraphs, and you don't want to give away any special details that way a person can know a little about the book and want to read it. Like a "A dog and His Ball" is about a lost dog who doesn't have a family and finds an old ball to play with. You would put this on the back of a book and then people would be drawn to read this book. ( I just made something up so it may not make sense sorry.)
I'm not really sure I understand what you are asking, but I tried to answer the best I could, please let me know if this isn't what you meant.
Answer:
Without a doubt, the correct answer is ....
A. My friend and I talked about old times; I remembered some things that she did not.
Here you have two complete (independent) sentences connected (separated) correctly with a semi-colon.
Explanation:
B. ... uses incorrect punctuation
C. .... is missing critical punctuation
Apply thoroughly to avoid skin damage
