If the North Celestial Pole Appears on Your Horizon,what Is $\degree$

Multiple Choice

If the north celestial pole appears on your horizon,what is your latitude?

A) 90 $\degree$ N
B) 90 $\degree$ S
C) 0 $\degree$
D) 45 $\degree$ N
E) The latitude of the observer cannot be determined from the information given.