Read the given passage and fill in the blanks by choosing an appropriate option.The process of conversion of wood into coal is called ___i___. There are three main varieties of coal which vary in their carbon content. ___ii___ has upto 96 per cent of carbon, ___iii___ has about 65 per cent carbon while ___iv___ has about 38 per cent carbon.

• A. (i)(ii)(iii)(iv)Destructive distillationLigniteAnthraciteBituminous coal   
• B. (i)(ii)(iii)(iv)CarbonisationAnthraciteLigniteBituminous coal   
• C. Blood supplies nutrients to the body
• D. (i)(ii)(iii)(iv)Destructive distillationBituminous coalAnthraciteLignite