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
Purpura is a feature of-  a) Disseminated Intravascular Coagulation  b) Henoch Schonlein Purpura  c) Meningococcemia  d) Schamberg's disease 
Select and explain. 
A. abc, B. abd, C. acd, D. ac
A: abc
Answer: A: abc 
Explanation: None