单选题：For a complete binary tree with even number of nodes, among the

For a complete binary tree with even number of nodes, among the following statements, how many statement(s) is/are true?

a) the height of the left subtree must be greater than that of the right subtree

b) the number of nodes in the left subtree must be greater than that in the right subtree

c) the number of leaf-nodes in the left subtree must be twice over that in the right subtree

d) the number of leaf-nodes and that of non-leaf-nodes are exactly the same

@[B](3)

A. 1
B. 2
C. 3
D. 4




A.1
B.2
C.3
D.4


答案：B