In the future new technology will be used to produce energy

In the future, civilization will be forced to research and develop alternative energy sources. Our current rate of fossil fuel usage will lead to an energy crisis this century. In order to survive the energy crisis many companies in the energy industry are inventing new ways to extract energy from renewable sources. While the rate of development is slow, mainstream awareness and government pressures are growing. 

C. it sounds the most correct when said out loud. sorry if i cant . 

Nachna najanne agan tedho bhanejhai सिता lai राम्रो अक्षर लेख्न आउदैन तर उनी कलम lai दोष दिन्छन्।