Error spotting (exam direction): Identify the erroneous part (A/B/C) — choose D if there is no error — 'She reluctantly said that / if nobody else was doing it / she will do it. / No error.'

Given parts (A–D)
A. She reluctantly said thatB. if nobody else was doing itC. she will do it.D. No error.

Concept/Approach (reported speech backshift)
In indirect/reported speech with a past reporting verb ('said'), future 'will' typically backshifts to 'would': 'she would do it.'

Step-by-step correction
1) Backshift modal: 'will' → 'would'.2) Correct: 'She reluctantly said that if nobody else was doing it, she would do it.'

Verification
Pattern: said, 'I will go' → said that she would go.

Final Answer
C — replace 'will' with 'would' in reported speech.