1. (2023高二上·期中) 有如下Python程序段：

from random import randint

s=["C++","Java","VB","Pascal","C","Python"]

for i in range(2):

    k=randint(0,2)*2

    s=s[:k]+s[k+1:]

print(s)

执行该程序段后，变量s的值不可能是（    ）