听下面一段材料,回答第1-3题。 1. What's Phelps' goal in 2008 Beijing Olympics? A. 6 gold medals. B. 7 gold medals. C. 8 gold medals. 2. When did he begin to win medals in the world competitions? A. 1990. B. 2000. C. 2004. 3. What is the result if he successfully achieve his goal this time? A. He will retire from swimming competition career. B. He will gain the swimming sponsor Speedo's 10,000,000 dollars. C. He will break Mark Spitz's record of seven gold medals set in 1972.