What Is the Essence of "The Lean Start-Up Process Versus

What is the essence of "the lean start-up process versus traditional business planning"?

A) The lean start-up approach and elaborate business plans are both inefficient use of time during the start-up phase
B) Elaborate business plans and the lean start-up are both efficient use of time during the start-up phase
C) The lean start-up approach asserts the idea that elaborate business plans are inefficient use of time during the start-up phase
D) Elaborate plans assert the idea that the lean start-up approach is inefficient use of time during the start-up phase