It means that the guy she is saying that to always thinks he is right and always thinks the girl is wrong
The correct answer is
<span>d. The person |who sells souvenirs| is in the lobby.
Without it, the subject "the person" would be very ambiguous and the sentence would not carry any specific meaning.</span>
Often time, pessimistic tone is related to loneliness because the reader also could experience the depression feeling that conveyed by the writer.
By doing this, the writer able to express his feeling and frustration to the readers
hope this helps