Identify the correct syntax to move up a node tree.
A. var levelUp = prevLevel - headLevel;for (var i = 1; i <= levelUp; i++) {outlineList = outlineList.parentNode.parentNode;}
B. var levelUp = prevLevel - headLevel;for (var i = 0; i >= levelUp; i++) {outlineList = outlineList.parentNode;}
C. var levelUp = prevLevel + headLevel;for (var i = 1; i >= levelUp; i++) {outlineList = parentNode.outlineList.parentNode;}
D. var levelUp = prevLevel - headLevel;for (var i = 0; i >= levelUp; i++) {outlineList = parentNode.outlineList.parentNode;}
Answer: A
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