Roberto Did Not Get Much Sleep Last Night

Roberto did not get much sleep last night. When he looked in the mirror he thought about how tired he looked. He ran into Maria at the mall and she told him how nice he looked today. Maria is often sarcastic, and Roberto took the comments as such even though she didn't come across as sarcastic in the interaction. As a result, he left the interaction feeling unhappy. What best explains why Roberto left the interaction feeling unhappy?

A) Communication is symbolic.
B) Communication is irreversible.
C) Communication is a process.
D) Communication is linear.