单选题：Given a binary search tree as shown in the following figure. Wh

Given a binary search tree as shown in the following figure. Which of the following relationships is correct with respect to the given tree? @[C](2)


A. $$x_1 < x_2 < x_5$$
B. $$x_1 < x_4 < x_5$$
C. $$x_3 < x_5 < x_4$$
D. $$x_4 < x_3 < x_5$$




A.$$x_1 < x_2 < x_5$$
B.$$x_1 < x_4 < x_5$$
C.$$x_3 < x_5 < x_4$$
D.$$x_4 < x_3 < x_5$$


答案：C