A(n) _____________ BST is a BST in which insertions, retrievals, and removals are all done in O( lg n ) time, using the best possible time complexity that applies.

In the accompanying figure, the ____ areas are represented by white.

A. colored B. selected C. unselected D. lost

The item in the right pane of the accompanying figure is a ____.

A. Wizard B. bar chart C. analysis tool D. report