When the Order of the Elements Is Unimportant, What Is

Multiple Choice

When the order of the elements is unimportant, what is the most efficient way to remove an element from an array?

A) Delete the element and move each element after that one to a lower index.
B) Replace the element to be deleted with the last element in the array.
C) Replace the element to be deleted with the first element in the array.
D) Replace the element with the next element.