如何在django中将固定选择链接到新创建的问题

from django.db import models

class Question(models.Model):
    question_text = models.CharField(max_length=200)
    pub_date = models.DateTimeField('date published')

class Choice(models.Model):
    question = models.ForeignKey(Question, on_delete=models.CASCADE)
    choice_text = models.CharField(max_length=200)
    votes = models.IntegerField(default=0)

from django.shortcuts import render, get_object_or_404
from django.http import HttpResponseRedirect
from django.urls import reverse

from .models import Question, Choice

def create_question(request):
    if request.method == 'POST':
        question_text = request.POST['question_text']
        pub_date = request.POST['pub_date']
        question = Question(question_text=question_text, pub_date=pub_date)
        question.save()
        
        choice_texts = request.POST.getlist('choice_text')
        for choice_text in choice_texts:
            choice = Choice(question=question, choice_text=choice_text)
            choice.save()
        
        return HttpResponseRedirect(reverse('question_detail', args=(question.id,)))
    
    return render(request, 'create_question.html')

<!-- create_question.html -->
<form method="post" action="{% url 'create_question' %}">
  {% csrf_token %}
  <label for="question_text">Question:</label>
  <input type="text" name="question_text" id="question_text">
  <br>
  <label for="pub_date">Publication Date:</label>
  <input type="datetime-local" name="pub_date" id="pub_date">
  <br>
  <label for="choice_text">Choices:</label>
  <input type="text" name="choice_text" id="choice_text">
  <br>
  <input type="submit" value="Create">
</form>

from django.urls import path

from . import views

urlpatterns = [
    path('create/', views.create_question, name='create_question'),
]