Given the Node Class (Partially Shown Below), Select a Statement

question 50

Multiple Choice

Given the Node class (partially shown below) , select a statement to complete the recursive method descendants, which is designed to return the number of descendants of a node.

• A)num = num + child.descendants();
• B)num = num + child.descendants() + 1;
• C)num = child.descendants();
• D)num = num + child.children.size();

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