In the Process of Delivering Mail, a Postal Worker Walks

In the process of delivering mail, a postal worker walks 161 m, due east from his truck. He then turns around and walks 194 m, due west from his truck. What is the worker's displacement relative to his truck?

A) 33 m, due west
B) 33 m, due east
C) 194 m, due west
D) 252 m, due east
E) 355 m, due west