就不懂为啥不让过？先说好不知道为啥我的.length用不了才用的数字。求问

using System;
using System.Collections.Generic;
using System.Text;

namespace projAboveAvg
{
    class Program
    {
        static void Main(string[] args)
        {
        string[] name=new string[8]{"景珍","林惠洋","成蓉","洪南昌","龙玉民","单江开","田武山","王三明"};
        int[] score=new int[8]{90,65,88,70,46,81,100,68};
        int sum=0;
        string x="";
        double avg=0;
        for(int i=0;i<8;i++){
            sum=sum+score[i];
        }
        avg=sum/8;
        for(int y=0;y<8;y++){
            if(score[y]>avg){
                x=x+name[y]+" ";
            }
            else{
                continue;
            }
        }Console.Write("平均分是"+avg+",高于平均分的有：\r\n"+x);
    }
}
}