請依下文回答第 11 題至第 15 題          A family of bald eagles lives in a   11    near the top of a huge tree. The tree is on the side of a steep hill that   12   Jennings Randolph Lake in West Virginia. The lake provides many fishes for the eagles to eat.Eagles are good at fishing. They have excellent eyesight.
       Scientists have been studying the eagles in that area for five years. The scientists want to make sure that the eagles are safe. “I   13   get excited every time I see an eagle,” said Gary Strawn, a biologist. “Bald eagles were almost  14   for many years. Now they are beginning to recover. I think it’s wonderful.” 
      In 1782, the bald eagle became the symbol of the United States. Back then, bald eagles   15   to be a common sight everywhere in the United States.
【題組】11
(A) cave
(B) dam
(C) nest
(D) path