To be successful，the organization should be committed to addressing the management of risk（）.

A．just before a meeting with a client

B．proactively and consistently throughout the project

C．as soon as time and cost estimates are ready

D．early in the execution phase

在安徽省径县有一个“隔岸踏歌阁”，这是纪念李白和好友送别时的情景，请问这个好友是谁？