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All the options are very cloase !
Structure of the passage :
Ecoefficiency -cost saving -
PS & GC "worsen in future" - Strategy - reduce pd waste - BUT not no of pd and subsequent waste - profit and growth - NOT constant growth - large investment > large pd > large waste.
PS & GC - systematic approch - other wise distract
Option A : we can not say "less successful". In the end of the passage , the conclusion urge for new systemic approach.
Option B: Contender
Option C: Contender
Option D: The point / main purpose is not to make a case.
Option E: Possible outcomes are there ( ? )
Between B and C.
C wins Because: All the things are presented through ANOTHER PERSON's VIEW (Senge and Carstedt).
My pick is B.
But I am still NOT totally convinced.
Is there any OA or Explanation available?