A. right and left tree is empty.
B. left tree is empty and right tree is full.
C. right tree is empty and left tree is full.
D. right and left tree is full.
ANSWER: A
A. right and left tree is empty.
B. left tree is empty and right tree is full.
C. right tree is empty and left tree is full.
D. right and left tree is full.
ANSWER: A