shboard Calendar Site home Badges Course dashboara All courses estion 19 The following pseudocode code: yet answered rked out of 2.00 return (leftChild == null) && (rightChild == null) Flag question Select one: O A. returns true if the node is a leaf and false if not. O B. returns true if the node is a non-leaf and false if not. 6 O C. returns true if the node has leftChild O D. returns true if the node has rightChild aestion 20 After the following statements execute. what item is at the