Which among the following electronic configurations belong to main group elements? A. [ Ne ]3s 1 B. [ Ar ]3d 34s 2 C. [ Kr ]4d 10 5s 25p 5 D. [ Ar ]3d 10 4s 1 E. [ Rn ]5f 06d 27s 2 Choose the correct answer from the option given below :

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

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