Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.
e _ _ c _ j f _ _ _ f c e
1
jfecej
2
jcefje
3
jfejce
4
fecjej
Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.
e _ _ c _ j f _ _ _ f c e