Five statements are given below, labelled A, B, C, D and E. Among these, four statements, when arranged properly, form a coherent paragraph. From the given options, choose the statement that does not fit into the theme of the passage.

• A Researchers increasingly argue that prolonged exposure to highly personalized digital environments may gradually alter cognitive processing patterns by reinforcing selective information consumption and behavioural predictability.
• B Online recommendation systems are often designed to maximize user engagement by continuously prioritizing emotionally stimulating content capable of sustaining prolonged interaction.
• C Such algorithmic reinforcement mechanisms have raised concerns regarding the emergence of ideologically insulated digital ecosystems where exposure to dissenting perspectives becomes progressively limited.
• D Several biotechnology firms have accelerated investments in gene-editing technologies aimed at improving resistance to hereditary disorders and rare genetic abnormalities.
• E The long-term societal implications of these developments extend beyond information consumption and increasingly concern the preservation of critical reasoning and democratic discourse.