GRE Text Completion: Fundamental 24 Sets-GRE填空基础24套 - QTC6WB35148F9WA_!

The consumer advocate claimed that while drug manufacturers (i)____________ the supposed advantages of their proprietary brands, generic versions of the same medications are often equally (ii)____________. A. tout B. efficacious C. research D. counterproductive E. extract F. prescriptive