Student or Learner
8. The rapid recovery of the patients who took the new drug …………………….. its effectiveness.
A.sustains B.contrasts with C.testifies to D.argues against
8: to support by adequate proof : confirm <testimony that sustains our contention>
sustain - Definition from the Merriam-Webster Online Dictionary
Which word(s) do(es) not fit?
I would add A. sustains, as the primary meaning of that verb would be to prolong. To sustain in a court of law is a tertiary sense, alluded to perhaps by "testifies", but which by itself is too ambiguous, for me.