题目

  Snooker(台球)is a big sport in China．It is said that there are 300 million snooker players in China, so it's not surprised that some of the world's best players come from China．Ding Junhui is one of them．   When Ding Junhui was eight years old, there were not many snooker clubs．His father often played with his friends on a table in the street，and one day Ding Junhui played with one of his father friends and beat him．His father，a shoe salesman，discovered that his son was talented at snooker．He then took Ding Junhui to China's nation snooker training center in Dong从所给的四个选 项中选择最佳答案 ______ is the door? It's green.　　　 [　　] A．What　　　　　　　　　　  　B．Whose book C．How　　　　　　　　　　　   D．What colour