Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.
T C _ M B C _ N T _ Q M _ C D _ T _ Q M B _ D N1
QDDBCCN
2
QDCBNCC
3
TDCBNCD
4
QBCDNNC
Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.
T C _ M B C _ N T _ Q M _ C D _ T _ Q M B _ D N