Raynaud's Disease Is Best Defined as Which of the Following

Raynaud's disease is best defined as which of the following?

A) localized abnormal dilation of a blood vessel
B) brain damage that results from decreased blood flow
C) condition caused by abnormal blood vessel spasms in the extremities, especially
In response to cold temperatures
D) formation of a blood clot in a deep vein (most commonly in the leg or pelvis) ;
Inflammation of a vein due to a blood clot