Someanimalshavecoloredandspottedcoatssothattheymay

Some animals have colored and spotted coats so that they may______.

A. appear frightening to the enemies

B. look like leaves or branches

C. keep motionless when an enemy is coming

D. mix with the surroundings for safety

正确答案：D
[解析]见第二段倒数第二三句话