The bald eagle was officially declared the national emblem of the United States by the Second Continental Congress in 1782. Our founding fathers wanted this bird because it does not live anywhere in other parts of the world. Since then, the bald eagle has become a symbol of American freedom, spirit, and pursuit of excellence. What is the MOST effective way to write the underlined part of the paragraph?
A
selected the eagle because its species is unique to North America.

B
only selected the eagle because it lives in America.

C
wanted this bird because it lives in North America.

D
wanted this eagle because it likes North America best.