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: 8, 24, 12, 36, 18, 54, (....)

 Option A: 72

 Option B: 68

 Option C: 108

 Option D: 27

 Option E: 86
A:
Option D