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Given: Which statement is true?（）
A:The code will compile without changes.
B:The code will compile if public Tree() { Plant(); } is added to the Tree class.
C:The code will compile if public Plant() { Tree(); } is added to the Plant class.
D:The code will compile if public Plant() { this("fern"); } is added to the Plant class.
E:The code will compile if public Plant() { Plant("fern"); } is added to the Plant class.

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出自：Oracle认证

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