Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
m _ r _ t _ c _ m e r o _ s c u _ e r o _ s _ u
1
emtsotcc
2
esotmtco
3
eosutmtc
4
eostumtc
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
m _ r _ t _ c _ m e r o _ s c u _ e r o _ s _ u