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: Medicine
A 30 years old sexually active pregnant female suffers from SLE is having + ye VDRL. Next best step is - 
Select and explain. 
A. Take the VDRL +ve as biological false +ve and do nothing, B. Do contact tracing, C. Treat her for syphilis, D. Do FTS-ABS test
D: Do FTS-ABS test
Answer: D: Do FTS-ABS test 
Explanation: None