问题
选择题
______her ambition of becoming a professional singer, she has been training very hard since an early age.
A．Realizing
B．To realize
C．Having realized
D．To have realized
答案
答案：B
题目分析：句意：--为了实现他成为专业歌手的理想，她从小时候就一直努力的训练。这里是目的状语，非谓语中只有不定式可以做目的状语，所以选B。