Complete the company profile of a French energy company, by choosing the correct word A-D below to fill the gap. EDF is one of the largest electricity companies in the World with a turnover of 59 billion Euros in 2006. Its 1 are in Paris, and it is the domain player in France, with over 80% of the market. Its largest 2 , 100% owned by EDF, is EDF-Energy which supplies over five million customers in the UK. The company has three main 3 : electricity production, of which 70% comes from nuclear power 4 ; distribution; and retail or supply. The first two are very technical activities. The third, retail, is more customer-focused. Nowadays, most customer contact is handled by 5 centers, where operators manage customer enquiries online or over the telephone. Electricity is an unusual product. It cannot be stored in a 6 like other goods. What you produce has to be consumed immediately. So, supply and demand have to be balanced exactly on a day by day, or hour by hour basis.