This kind of animal is able to protect itself from danger in many years. , the colouring of its hide makes it almost invisible when it is feeding in the shadow of trees.
A. First at all
B. First of all
C. In all
D. At all
网友回答
A. First at all
(答案→)B. First of all
C. In all
D. At all
解析：可联系答.案.网客服索取。