Read the following code and determine what goes in blank #1.

void RevPrint(NodeType* listPtr)

// Pre: listPtr is an external pointer to a list.

// Post: Values in the list have been printed in reverse order.

{

if (_______________) // 1

{

RevPrint(_________); // 2

cout << __________ << endl; // 3

}

___________ // 4

}

A) listPtr = NULL

B) ListPtr != NULL

C) listPtr->next

D) listPrt->info