Final answer:
Annie Baker's play that garnered national attention in 2009 is 'Circle Mirror Transformation', distinct from the frequently produced Shakespearean works like 'Romeo and Juliet'.
Step-by-step explanation:
The play of Annie Baker that received national attention in 2009 is C) Circle Mirror Transformation.
This work is not to be confused with the timeless classics such as Shakespeare's Romeo and Juliet or Hamlet, each of which has been produced thousands of times with various interpretations and acting, direction, and design choices that make each production unique.
Annie Baker's Circle Mirror Transformation stood out as an original play that garnered critical acclaim and brought broader recognition to Baker as a playwright.