单选

●在一棵度为3的树中，若有2个度为3的结点，有1个度为2的结点，则有 (33) 个度为0的结点。
(33)

A．8 &n
bsp; B．6
C．3
D．2

试题出自试卷《2011年程序员考试考前密卷（六）-上午试题》

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●在一棵度为3的树中，若有2个度为3的结点，有1个度为2的结点，则有 (33) 个度为0的结点。(33)

●在一棵度为3的树中，若有2个度为3的结点，有1个度为2的结点，则有 (33) 个度为0的结点。
(33)