In Determining Whether a Worker Was an Employee or an Independent

In determining whether a worker was an employee or an independent subcontractor for a manufacturing plant,which of the following factors is most likely to indicate that the worker is an independent subcontractor?

A) The manufacturer's premises and equipment were used to perform the work.
B) The performance of the work could or did shift as a unit from one manufacturer to another.
C) The worker performed a discrete line-job that was integral to the manufacturer's process of production.
D) The manufacturer or its agents closely supervised the work.