Look at this series: __, VIII, XI, XIV, XVII, XX, ... What number should fill the blank? Choose the correct choice from the following options:	A) IX	B) XXIII	C) XV	D) V	E) None
Explanation: This is a simple addition series; each number is 3 more than the previous number.   Answer: V
<result>D</result>
Look at this series: __, VIII, XI, XIV, XVII, XX, ... What number should fill the blank?