【单选题】

While completing a project a project manager realizes be needs to decrease project costs.After researching his options, he comes up with the following choices. Which choice wouldDECREAS

E、project costs
A、Change to component
A、from componentB、Component
A、costs more to purchase but has a lower life cycle cost thanB、
B、Change task
A、to be completed by resourceB、instead of ResourceC, ResourceB、is a more experienced worker.
C、Move tasksB、and H to occur concurrently, and take the risk of a 30% increase in the need for five more resources later.
D、Remove a test from the project plan.