In the major cities of industrialized countries at the end of the nineteenth century, important public places such as theaters, restaurants, shops, and banks had installed electric lighting, but electricity was in less than one percent of homes, where lighting was still provided mainly by candles or gas.

• Aelectricity was in less than one percent of homes, where lighting was still  
• Belectricity was in less than one percent of homes and lighting still  
• Cthere were less than one percent of homes with electricity, where lighting was still being  
• Dthere was less than one percent of homes that had electricity, having lighting that was still  
• Eless than one percent of homes had electricity, where lighting had still been