According to a recent study linking high social standing to a habitually stern facial expression, models who do not smile adequately in magazine advertisements give an impression of status and exclusivity, even if they are not wealthy or influential themselves.

(A) models who do not smile adequately in magazine advertisements give an impression
(B) models in magazine advertisements who do not smile give an impression adequately
(C) models who do not smile in magazine advertisements adequately 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

OA later some discussion