In the remove function of the LinkedList class, when searching for the node to remove, we keep a pointer one node in front of the node we want to remove because:
A. the node we are searching for might not be in the linked list
B. we must be able to link the node (that the pointer points to) to the node following the one we want to remove
C. if the pointer pointed to the node we wanted to remove and then we removed it, we would get a runtime error
D. if the pointer pointed to the node we wanted to remove and then we removed it, we
would get a dangling reference (or dangling pointer)
B
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