The answers from the choices above are the 2nd option and the 3rd option!
I would say that the answers are C and A.
"Primarily" indicates what the main purpose of the sheet is (which helps maintain high grades) and "Furthermore" adds to the original thought.
Hummingbirds eat often because they use up so much energy while flying.
Answer:
C
Explanation:
A. The weather was so hot that many people wore shorts every day.
^ this is clearly a fact. the person is observing that, for multiple days, people wore shorts because of the heat.
---------
B. My brother and I went to three different water parks this summer.
^ this is clearly a fact. the person is saying that they and their brother went to multiple water parks over the summer season.
---------
<h2>
<u><em>C. We will remember this as the best summer of our lives.</em></u></h2>
^ this is an <u><em>opinion</em></u>. someone else might think it was horrible, or just like any other summer. someone else may not like water parks at all, and to them this would have been a terrible, or rather an ''eh'' summer.
---------
D. Dad saved up enough money to buy a boat for the lake.
^ this is clearly a fact. the person is saying that their dad had been saving up money, and finally had saved up enough to buy a boat that summer.
It would cause the reader to think that too. and it could confuse the reader if the assumption is contradicted later on in the story.
hope i helped!