问题
To find out _______ young people think about the future of urban life, a teacher in the US. asked his students to think ______ they would run a city of 50,000 people in 2025.
A:what; how
B:how; what
C:what; what
D:how; how
B:how; what
C:what; what
D:how; how
正确答案是：
