A would be the correct answer.
On the bus half of the passengers fell asleep they all have been working so hard
Answer:
the
Explanation:
wouldn't be "a" because "an" is used before a word starting with a vowel
dictionary states "the" is "used to refer to a person, place, or thing that is unique"
If the authors last name was in the text then you should still cite them. You should always cite them even if they were already mentioned.
