This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Which of the following antibodies is most frequently seen in Antiphospholipid Syndrome ? 
Select and explain. 
A. Beta 2 microglobulin antibody, B. Anti-nuclear antibody, C. Anti-centromere antibody, D. Anti- beta 2 glycoprotein antibody
D: Anti- beta 2 glycoprotein antibody
Answer: D: Anti- beta 2 glycoprotein antibody 
Explanation: Anti- beta 2 glycoprotein antibodies are the most frequently observed antibodies in patient with APLA syndrome amongst the options provided