Select the correct conditional inversion (omitting 'if'):

'______ any discrepancies arise during the audit, contact the compliance director immediately.'

Answer and explanation

Correct answer: B. Should

  1. Step 1: In formal conditional inversion for possible future events, 'if + should' inverts to 'Should + subject + bare infinitive'.
  2. Step 2: 'Should any discrepancies arise...' is the formal equivalent of 'If any discrepancies arise...'.
Answer
Should.
Why not the others: 'Were' is used for hypothetical present conditionals ('Were discrepancies to arise...'); 'Had' is used for past third conditionals ('Had discrepancies arisen...'); 'Would' cannot introduce conditional protases.

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