Error spotting — Identify the erroneous segment (A/B/C) or select D for no error: 'A free press is not a privilege / but the organic necessity / in a free society. / No error.' Test correct article choice before a vowel sound and polish the civics/ethics statement for SEO-friendly clarity.

Concept/Approach (articles)
Before a singular count noun with a vowel sound, use the article an, not 'the', unless a specific unique referent is intended. Here the sense is generic: 'an organic necessity'.

Step-by-step correction
B: 'the organic necessity' → 'an organic necessity'.Corrected sentence: 'A free press is not a privilege but an organic necessity in a free society.'

Common pitfalls
Misusing 'the' where no prior specification exists; ignoring vowel-sound rule for 'a/an'.

Final Answer
B — Use 'an organic necessity'.