Coral(珊瑚) is not a plant but a variety of animal life and bright colors.
A. in different shapes
B. in a different shape
C. of different shapes
D. of a different shape
网友回答
A. in different shapes
B. in a different shape
(答案→)C. of different shapes
D. of a different shape
解析：
这题考查of+抽象名词，表示事物的属性，不同形状是复数。句意是：珊瑚不是植物，而是有着不同形状，明亮颜色的生物。选C。