Assume a pointer head is holding the address of the first node of an none empty linked list. Following statements will display the data item in the last node of the list. Please write the correct relational statement that should be in place of blank in the while loop as the looping condition.

Node *currentNode=head;

while( blank ){

currentNode=currentNode->getNext();

}

cout<getItem()<

Please select one of the followings:

Group of answer choices

currentNode==NULL

head!=NULL

currentNode->getNext()!=NULL

currentNode=currentNode->getNext()

currentNode->next()!=NULL

currentNode!=NULL