单选题

　　1.[概括大意]Bad design is largely to blame， says Sanchez. In a separate survey of CD players last year， her colleague Wolfgang Huber found that two machines with similar features used 28 watts and 2 watts respectively on stand-by. “For most products， we believe that stand-by power can be reduced to one watt or less，” says Sanchez.

　　The main idea of this paragraph is __________.

　　A.Factor Leading to Energy Waste

　　B.Home Appliances

　　C.Proposals to Cut Energy Consumption

　　D.Energy Consumption Test