Are we supposed to list the differences?
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
B, in writing we can more easily conceal our attitudes.
