not _____ it right ,he was encouraged to try again A did B done C to do D having done 选什么呢

问题描述:

not _____ it right ,he was encouraged to try again A did B done C to do D having done 选什么呢

D
he was encouraged to try again主句是一般过去
从句 选having done 表示发生在主句之前.