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: Ophthalmology
Causes of exudative retinal detachment –a) Central retinal artery occlusion b) Hypertensive retinopathyc) Harada's syndromed) Coat's disease 
Select and explain. 
A. ab, B. bc, C. cd, D. ac
C: cd
Answer: C: cd 
Explanation: Harada's disease and exudative retinopathy of coat's can cause exudative retinal detachment.