A 29-year-old female has cold fingers，pallor，cyanosis and flushing in both hands every winter or when her hands are submerged in cold water for 4 years.Physical examination findings：Pulse 86/min，BP（right arm）18/10kPa.It is most likely to find which on physical examinationThe onset conditions can be determine byIt is most important is to rule out which for diagnosis
A: Immunity dysfunction or connecting tissue diseases
B: Carpal tunnel syndrome
C: Pulseless disease
D: Pneumatic hammer’s disease or thoracic outlet syndrome