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: Social & Preventive Medicine
Primary prevention includes:a) Marriage counselingb) Health educationc)  Pap smeard)  Self breast examinatione)  Health promotion 
Select and explain. 
A. cb, B. bad, C. abe, D. da
C: abe
Answer: C: abe 
Explanation: None