answer question

i _" Mr. Brown is a 63-year-old man referred to an SLP for concerns about his speech fluency. His wife reports that his speech difficulty began suddenly about 3 months ago, right around the time he fell at home and sustained a concussion. Mr. Brown demonstrates disfluencies on all classes of words, including nouns, verbs, prepositions, and articles. The SLP observes frequent prolongations and blocks in all word positions. When the SLP asks Mr. Brown to read the same passage three times in a row, he stutters on 21% of words the first time, 19% the second time, and 22% the third time. Despite his disfluencies, Mr. Brown says his speech is OK and his wife made him come to the appointment. Mr. Brown demonstrates characteristics of which fluency disorder? A. Cluttering B. Developmental stuttering C. Psychogenic stuttering D. Neurogenic stuttering