单选题：Given the shape of a binary tree shown by the figure below. If

Given the shape of a binary tree shown by the figure below. If its inorder traversal sequence is { `e`, `a`, `c`, `b`, `d`, `g`, `f` }, then the node on the same level of `c` must be: @[B](3)




A. `a`
B. `g`
C. `d`
D. None




A.`a`
B.`g`
C.`d`
D.None


答案：B