Criteria pollutant under National Ambient Air Quality standards (NAAQ) are

A. SO2

B. NOx

C. NH3

D. O3

E. CO2

Choose the correct answer from the options given below:

1
A, B, C and E only
2
A, B and D only 
3
A, B, C and D only
4
A, B, D, and E only

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