This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health care of community & international health, Subject name: Social & Preventive Medicine
Millennium development goals aim to reduce MMR by? 
Select and explain. 
A. 3\/4, B. 2\/3, C. 1\/4, D. 1\/2
A: 3\/4
Answer: A: 3\/4 
Explanation: Improve maternal health Target 6: reduce by three -quaers,between 1990 and 2015,the maternal moality ratio (refer pgno:895 park 23rd edition)