A Phonologically Frozen Form Is Evident When

A phonologically frozen form is evident when:

A) a child has persistent difficulty with a particular manner of articulation despite a period of intervention.
B) a child produces a word using an earlier version despite his or her system being more advanced.
C) a child says a particular word in a more advanced form relative to the rest of his or her phonological system.
D) a child has persistent difficulty with a particular place of articulation despite a period of intervention.