Q: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Question: How many words can be formed from the letters of the word 'DIRECTOR' So that the vowels are always together?

Option A: 2160

Option B: 2162

Option C: 2161

Option D: 2163

Option E: 2134
A:
Option A