单选题：After deleting 10 from the red-black tree given in the figure, w
After deleting 10 from the red-black tree given in the figure, which one of the following statements must be FALSE? @[D](3)
A. 11 is the parent of 6, and 14 is red
B. 8 is the parent of 15, and 7 is black
C. 11 is the parent of 15, and there are 2 red nodes in the tree
D. 8 is the parent of 15, and there are 2 red nodes in the tree
A.11 is the parent of 6, and 14 is red
B.8 is the parent of 15, and 7 is black
C.11 is the parent of 15, and there are 2 red nodes in the tree
D.8 is the parent of 15, and there are 2 red nodes in the tree
答案：D
A. 11 is the parent of 6, and 14 is red
B. 8 is the parent of 15, and 7 is black
C. 11 is the parent of 15, and there are 2 red nodes in the tree
D. 8 is the parent of 15, and there are 2 red nodes in the tree
A.11 is the parent of 6, and 14 is red
B.8 is the parent of 15, and 7 is black
C.11 is the parent of 15, and there are 2 red nodes in the tree
D.8 is the parent of 15, and there are 2 red nodes in the tree
答案：D