What Joffrey is experiencing is called in the medical terms the psychomotor re.tardation or the <span>psychomotor impairment</span>. This is characterized by the slower and reduced movement and the reduce speed of thought and can be seen through and can cause the slowing of speech.
D. All of the above, I hope this helped, if you have any questions let me know! :)
A accuracy is the answer ( ´ ▽ ` )