The correct option is C Narmada
Rig Veda mentions following rivers: Kubha(Kabul), Krumu(Kurram), Gomati(Gumal), Sindhu (Indus), Vitase(Jhelum), Asikni(Chenab), Parushni(Ravi), Vipas(Beas), Sutudri(Sutlej), Ganga,Yamuna, Sarasvati, Ghaggar(Drishadvati), Saryu etc. Southern and eastern rivers of India are missing.