The correct option will be B. It is effective because the author cites and explains a statistic to illustrate that even though antibiotics work in some situations, they are still often not prescribed correctly.
It should be noted that a counterclaim simply means a claim that's made in order to rebut a previous claim.
In this case, the counterclaim is effective because the author cites and explains a statistic to illustrate that even though antibiotics work in some situations, they are still often not prescribed correctly.
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A christmas carol has a metaphor
"The streets reeked of crime"
The Persians eventually overran Babylon.
Riding a skateboard is a phrase
A phrase can not have verb and subject together. riding a skateboard doesn't have subject. the others are clause.they have both subject and verb.
good luck.