Based on the passage, what can the reader infer about the importance of the battle between the Monitor and the Merrimac?
A It changed the way navies decided to build their ships,
B The battle signified the end of the war.
C The Monitor was the ship that destroyed the Confederate navy,
D Neither shipped influenced the Civil War.

Aman lives on the twelfth floor of an apartment building. every morning he takes the elevator down to the lobby and leaves the building. in the evening, he gets into the elevator, and, if there is someone else in the elevator -- or if it was raining that day -- he goes back to his floor directly. otherwise, he goes to the tenth floor and walks up two flights of stairs to his apartment.