这是一段网页代码: <div class="movies_title"> <h1>冰雪奇缘2</h1> <h2>Frozen II<h2> </div> 要采集到“冰雪奇缘2”这几个字符,请完善以下爬虫程序( ) all_title = soup.find_all(' ① ', class_=" ② ") for j in all_title: soup_title = bs4.BeautifulSoup(str(j), "html.parser",) title.append(soup_title. ③ .string)
A . div,h1,h2
B . div, movies_title,h1
C . div, movies_title,h2
D . class,h1,h2
答案:B