The correct answer is A.<span>could not be heard above the voices in the hallway
</span>
B is a subject, C is an adverbial of reason, while D is an adverbial of manner.
Three similarities.
1) Both films and books tell a story.
2) Both films and books have a meaning or Moral.
3) Both books and films start with a person with an idea.
The only answer chose that can not be increase is B. Seasons, there are set days for the beginning and ending of each season that does not change.
All the others can be increased.
Hope this helps you. :-)
