Answer: The correct answer for the blank is-
A. conversion disorder.
Step-by-step explanation:
Conversion disorder can be described as as a mental condition of a person that is caused by the reaction of body to any stressful incident or an emotional event such as accident, death.
In this disorder, the symptoms affecting body are paralysis, weakness, blindness, double vision or any other neurological conditions that are not explained by any medical evaluation.
Thus, Donna’s motor skills are most likely showing signs of conversion disorder due to death of her mother.