Definition: You are given a question on computer security. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: A __________ is a sequential segment of the memory location that is allocated for containing some data such as a character string or an array of integers.
(A)stack (B)queue (C)external storage (D)buffer

D