The would be a because it makes more sense than the other sentences. If you read each of them a will make better sense.
He became angry thus changing the mood of the story
You have done well here. Subjective is based on or influenced by personal feelings, tastes, and opinions. Answer D refers to insights and impulses that are unique to each person, making it personal. In #2, wording in the sentence such as joyfulling, sunny, and kicking up their heels are all positive words. Answer choices A, C, and D are all negative wording. B is the correct choice. Great job!
Answer:
A
Explanation:
Because it is helping us to learn the functions of eye contact.
Because it is informing us how we use eye contact when don't know.
Because it is informing us when to see that something is happening to someone through eye contact.
Because it is informing us that it is also a way of communicating to people
