A project requires a UI$/$UX designer to create website mockups for an important client. However, the designer is overallocated and cannot start for three days. The rest of the team is also unavailable. The project end date cannot move, but the designer works fast and efficiently and would be able to meet the project deadline. What should the project manager do$?$

A $$ Speak to the project sponsor to obtain additional resources

B $$ Delay the end date

C $$ Delay the start date

D $$ Recalculate the critical path