Robby can produce every sound correctly except /r/. Whenever he tries to say /r/ it comes out as something halfway
between a /w/ and a /u/. He can also hear the difference between paired words such as red-wed. What type of SSD does
Johnny likely have?
A Inconsistent speech disorder
B Phonological impairment
C Childhood Apraxia of Speech
D Articulation Impairment