Match List-I with List-II

List-I	List-II
(Algorithm/ Application)	(Data Structure Used)
(A). BFS	(1). Stack
(B). DFS	(II). B Trees
(C). Heap sort	(III). Priority Queue
(D). Storage on secondary storages devices	(IV). Queue

Choose the correct answer from the options given below:

1. (A) - (IV), (B)-(I), (C)-(III), (D) - (II) 

2. (A)-(I), (B)-(III), (C)-(II), (D-(IV) 

3. (A)-(I), (B)-(II), (C) - (IV), (D) (III) 

4.(A)-(II), (B)-(IV), (C)-(I) (D)-(II)