Number of the letters skipped in between adjacent letters of the series starting from behind are inc

Number of the letters skipped in between adjacent letters of the series starting from behind are increased by one.
Which of the following series observes this rule ?

Option:

A. OIGDC

B. OMJFA

C. OMKIG

D. ONLKJ

Answer: B . OMJFA

Justification:

O	N	M	L K	J	I H G	F	E D C B	A
	1		2		3		4
		+1		+1		+1