When the out-of-balance condition has been created by a right high subtree of a left high tree, we must balance the tree by rotating the ____.
A. out-of-balance node to the left
B. out-of-balance node to the right
C. left subtree of the out-of-balance node to the left and then the left subtree to the right
D. right subtree of the out-of-balance node to the right and then the right subtree to the left
Answer: C
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