On our longjourney to Mount Tai, Brooke ________ a most interesting guide. We all had awonderful tim

On our longjourney to Mount Tai, Brooke ________ a most interesting guide. We all had awonderful time.

A.behaved

B.practised

C.proved

D.conducted

答案及解析： C

解析：

prove这里是显示的意思。