About the coverings of kidney, which of the following descriptions are correct?
A.From superficial to deep, three layers of coverings of kidney are fibrous capsule (纤维囊), adipose B.The renal fascia is divided into anterior and posterior layers to enclose the kidney and suprarenal C.The adipose capsule acts as a “spring cushion” to protects and support the kidney. D.The fibrous capsule is difficult stripped from a normal kidney. E.The coverings of kidney have the function to maintain the kidney in the normal position.正确答案BCE