An infant is born in the breech position, and assessment indicates the presence of Erb palsy (Erb-Duchenne paralysis). Which clinical manifestation supports this conclusion?
a.Inability to turn the head to the unaffected side
b.Absence of the grasp reflex on the affected side
c.Absence of the Moro reflex on the unaffected side
d.Flaccid arm with the elbow extended on the affected side