选择题
2018 AMC 8 Problem 16: Grouped Language Books
Professor Chang has nine different language books lined up on a bookshelf: two Arabic, three German, and four Spanish. How many ways are there to arrange the nine books keeping the Arabic books together and the Spanish books together?
2018 AMC 8 第 16 题：分组语言书籍
张教授的书架上排列着九本不同语言的书籍：两本阿拉伯语、三本德语和四本西班牙语。将阿拉伯语书籍和西班牙语书籍放在一起的九本书有多少种排列方式
A.
1440
B.
2880
C.
5760
D.
182,440
E.
362,880