Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
P_ _MO_ST_OP_TM_ _S_MO
1
STPMSOPT
2
TSSMPOPT
3
STSMPOPT
4
STPSMOPT
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
P_ _MO_ST_OP_TM_ _S_MO