I agree because young people are learning new things about the wirld everyday and we can make a difference and change old thing to make them better we aren't the old book we are the new one
The answer is B since because it is combining two sentences together
I wrote a short story that took up an entire summer day...
Still I'm not sure that is the answer you are looking for so please explain better if I'm not answering correctly.
(/◕ヮ◕)/
-Miri
B (I think) okay heheh bye