1
Passage I

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:

  • A. invoked by the passage author as he imagines what Kazakhstan looked like centuries ago.

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

  • C. paraphrased by Salova.

  • D. refuted by Bussey.