单项选择题
Why the suffix of the deleted element is moved from front to back in the interval deletion algorithm remove(lo, hi)? 为什么区间删除算法remove(lo, hi)中要从前向后移动被删除元素的后缀?
A.This is a customary practice, which in turn is also feasible 这是一个约定俗成的习惯,反过来也可行
B.Otherwise it may cover some elements 否则可能会覆盖部分元素
C.Otherwise it may fail to delete all elements within the interval [lo, hi) 否则可能未能删除区间[lo, hi)内所有的元素
D.Otherwise it may lead to inefficiency 否则可能导致效率低下