Choose the best option to replace the underlined part to improve the given sentence. If no substitution is required, select 'No substitution.'
She has been working in this organisation since 5 years.
Show answer & explanation
Correct answer: B
Explanation
The present perfect continuous tense is used to describe an action that started in the past and is still continuing. It typically uses 'for' to indicate a duration of time (e.g., 'for 5 years') and 'since' to indicate a specific starting point in time (e.g., 'since 2021').