2, 4, 3, 6, ?, ?, 9, 18, ?, ?, 33.
Options:	A) 16,31	B) 16,32	C) 15,30	D) 15,32	E) 15,31
2, 4, 3, 6, ?, ?, 9, 18, ?, ?, 33.   ans: 2, 4, 3, 6, 4, 8, 9, 18, 16, 32, 33.   ANSWER:16,32
<result>B</result>
2, 4, 3, 6, ?, ?, 9, 18, ?, ?, 33.