Unlike many autoimmune diseases that have a higher incidence in women, a rare and severe autoimmune neurological disease involving the central nervous system that is stiff-man syndrome, is found more frequently in men.
The phrase Unlike many.....women should be followed by the name of the disease. Also, the verb "is" is required for the main verb found.
A)
a rare and severe autoimmune neurological disease involving the central nervous system that is stiff-man syndrome, is
B) stiff-man syndrome, a rare and severe autoimmune neurological disease involving the central nervous system, is
C) stiff-man syndrome, a rare and severe autoimmune neurological disease involving the central nervous system, -
is missingD) a rare and severe autoimmune neurological disease involving the central nervous system is stiff-man syndrome,
which is
E) stiff-man syndrome, a rare and severe autoimmune neurological disease involving the central nervous system,
that is