Answer: D. It should conduct an in-house training program to bring employees up to speed.
Step-by-step explanation:
Since team struggles to efficiently carry out its task, in order to ensure the completion of the tasks, the team should conduct an in-house training program to bring employees up to speed.
With an in house training done, the employees will gain the necessary skills and experience which will be needed to carry out their jobs effectively and efficiently. Therefore, the correct option is D.