"The structure usually makes very good use of resources and expertise, making it ideal for project-based organizations with fluctuating workloads."

Matrix

Explanation:

The Matrix structure defines that every organization should follow the hierarchy level from bottom to top and top to bottom, this gives efficiency in the work and helps in achieving the goal of the organization. The Matrix structure is also called the Traditional hierarchy level.  

Therefore, the Matrix structure helps in reducing the workload of the organization.

c is the answer, and do you have a ps4?