A little quantity of trichloromethane (b.pt 60°C) was added to a large quantity of ethanol (b.pt.78 °C-74 °C). The most probable boiling point of the resultant mixture is from

• A.60°C - 78°C
• B.69°C - 70°C
• C.70°C - 74°C
• D.82°C - 84°C