Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
She has been working with me on this project from two years.

Options

A. a)with me
B. b)She has been working
C. c) from two years
D. d)on this project

Answer

C

Explanation

Since is used to denote a point of time and for depicting an activity that is happening from a long time like since time immemorial/since ancient times. "For" is used for a fixed period of time(countable) like 2 years/3 months/4 days and for an activity that happened in a recent time. In the given question, working time on the project is fixed which is 2 years.