Multiple choice softskills leadership

He's been working in the field ___ early this morning.

  1. For

  2. After

  3. Since

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

'Since' is correct because it marks the starting point (early this morning) of an action continuing to the present. 'He's been working' (present perfect continuous) requires 'since' + point in time. 'For' would need a duration like 'for 6 hours'.