Final answer:
Girish should propose Gig workers to his HR director to address the staffing need for the new opening project teams.
Step-by-step explanation:
The program that Girish should propose to his HR director to address the staffing need is C. Gig workers.
Gig workers are independent contractors who work on a temporary or project basis. They can be hired for specific tasks or projects without being a permanent employee of the company. In Girish's case, hiring gig workers for the first four weeks at each facility would provide the necessary staffing for the new opening project teams.
Gig workers are flexible and can be easily scaled up or down based on the company's needs. They offer short-term availability and can quickly adapt to new environments, making them ideal for Girish's situation.