题目

Gold has exercised power for ages. People have been looking for gold since the beginning of mankind. Whole empires (帝国) have been built on gold. The Spanish conquered all of Central and South America in order to bring gold back to their home country. Inca and Maya civilizations worshipped gold and thought it came from the sun. Explorers traveled for thousands of miles in search of the precious metal. Gold is, once again, in demand. People want to have gold as a kind of security in unstable times. They invest in (投资于) gold instead of saving their money in banks. Many people a---Are you ____ of the dark? ---Yes, so I always go to sleep with my bedroom lights ____ .A. worried, off B. afraid, on C. fond, turn on D. frightened, off