using System;

using System.Linq;

​

var random = new Random();

var words = new []{"ドド","スコ"};

var answerRepeats = Enumerable.Repeat(new[]{"ドド","スコ","スコ","スコ"}, 3).SelectMany(x => x).ToArray();

var randomWords = answerRepeats.TakeWhile(x => x == words[random.Next(words.Length)]);

var randomAnswers = Enumerable.Repeat(0, int.MaxValue).Select(_ => string.Concat(randomWords));

foreach(var randomAnswer in randomAnswers)

{

    Console.Write(string.Concat(randomAnswer));

    if(randomAnswer == string.Concat(answerRepeats)) break;

}

​

Console.WriteLine($"ラブ注入♡");