C. because it is a side comment that they like the restaurant best, it is not part of the actual statement. Which is "The restaurant is open 14 hours a day"
I believe the answer to this question would be either a metaphor, idiom, or alliteration. But this would most likely be idiom because people can interpret different meanings of this phrase negative or positive and can take it personally or extensively.
Answer:
Because it involved many nations.
Explanation:
It was called the Great War because the world has never seen a conflict of that size. Over 59 million troops were mobilized. Many millions of people died or get injured. The conflict reshaped politically, economically, socially, and culturally Europe and the whole world.
It was named like that because the people of those days did not believe that almost 30 years after that the world would be at the most disastrous conflict of its history.
I hoped this answer helps you.
What I am confused where is the question