Nancy recently passed her Project+ certification and has been given her first project assignment. She's confused about the pre-project steps she has to go through. Can you help her out by selecting from the below-listed items those that qualify as pre-project steps? A. Obtain a PMO office B. Identify whether the project assignment truly qualifies as a project C. Write the work breakdown structure D. Develop the project charter E. Verifying that the project request is really worth the company's time and resources F. Obtain sign-off of the project charter