20- Passage A quotes Vavilov as saying “‘I could see with my own eyes that I had stumbled upon the centre of origin for the apple’” (lines 11–12). In Passage B this quote is directly:



  • F.Invoked by the passage author as he imagines what Kazakhstan looked like centuries ago.

  • G.used to support an argument by USDA scientists.

  • H.paraphrased by Salova.

  • J.refuted by Bussey.