A nurse tells the unit manager, "I am tired of all the changes on the unit. If things don't get better. I'm going to quit." Which of the following responses by the unit manager is appropriate?

"You should file a written complaint with hospital administration."

“I think you have a right to be upset. I am tired of the changes, too."

"Just stick with it a little longer. Things will get better soon."

"So you are upset about all the changes on the unit?"