Official Solution:According to a recent study linking high social standing to a habitually stern facial expression, models do not smile adequately in magazine advertisements, who give an impression of status and exclusivity, even if they are not wealthy or influential themselves.A. models do not smile adequately in magazine advertisements, who give an impression
B. models in magazine advertisements who do not smile give an impression adequately
C. models who do not smile adequately in magazine advertisements give an impression
D. it is the models, in magazine advertisements, who do not smile and adequately give an impression
E. in magazine advertisements, the models who do not smile adequately give an impression
A. This option wrongly implies that no model smiles adequately in advertisements. The relative pronoun wrongly refers to advertisements.
B.
Adequately is misplaced, making the sentence awkward.
C. CORRECT. The word
adequately is correctly placed and clearly refers to the verb
smile.
D. The phrase
it is the models is wordy, as is the phrase
in magazine advertisements when set off by commas.
E. The phrase
in magazine advertisements is misplaced making the construction awkward.
Answer: C