C
we need to weaken here.for strengthen choice E is clear winner.
C says the the chemical zinc interferes with the ingredients in the lozenges .So the activity is not that much as said.
this weakens the possibility of the virus accumulating in the nose.Had zinc in lozenges been inert it would have same effect as gel
we need to weaken here.for strengthen choice E is clear winner.
C says the the chemical zinc interferes with the ingredients in the lozenges .So the activity is not that much as said.
this weakens the possibility of the virus accumulating in the nose.Had zinc in lozenges been inert it would have same effect as gel
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