Answer:
d. She is not doing work because the object is not moving (its distance moved is zero, d=0)
Step-by-step explanation:
The work is calculated as force times distance, so if the force or the distance is 0, there is no work. In this case, the object is not moving, so there is a force applied but there isn't a displacement. Since the distance moved is zero, the work done is also 0.
Therefore, the answer is
d. She is not doing work because the object is not moving (its distance moved is zero, d=0)