Most of the User-Defined Operational Expense in the KW::vector Class

Multiple Choice

Most of the user-defined operational expense in the KW::vector class reserve function is attributable to the for loop excerpted below.

Using order of growth techniques against this code fragment, we can estimate that each reallocation of reserve () is __________.

A) O(1)
B) O(n log₂n)
C) O(n)
D) O(n²)