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A binary search tree built from already sorted input is likely to become:

AUnreadable
BUnreachable
CUnbalanced
DUnbeatable
Answer & Solution
Correct answer: C. Unbalanced
1. Insertion order decides the shape of the tree. 2. Sorted input makes one long branch. 3. So the tree becomes unbalanced. _Source: OpenStax Introduction to Computer Science, Chapter 3, Data Structures and Algorithms._
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