Final answer:
The journey of James Oglethorpe and the Trustees to Georgia took almost 2 years primarily due to administrative delays.
Step-by-step explanation:
The main reason it took almost 2 years for James Oglethorpe and the Trustees to get approval to journey to Georgia was A. Administrative delays. The Board of Trustees in London, who governed Georgia at the time, had to take care of various administrative tasks and processes before granting approval for the journey. This included planning and organizing the logistics of the journey, ensuring legal formalities were met, and considering the political implications of establishing a colony in Georgia as a military buffer against the Spanish holdings in Florida.