非谓语习题请教2. In January , 2004, the United States successfully
非谓语习题请教
2. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
请指教,谢谢,为什么不能用D
答案是B