Eric Ries,author of the Lean Startup,makes What Argument Regarding Planning

Eric Ries,author of The Lean Startup,makes what argument regarding planning and forecasting?

A) Planning and forecasting are accurate only for large corporations; startups are very different and require a different approach.
B) A clever entrepreneur will take the lessons learned from large corporations' planning and forecasting models and apply them to their startup.
C) Planning and forecasting are solid tools no matter the size of a business.
D) A lack of understanding of planning and forecasting is the reason many startups fail.