The answer would be D because colons go before lists and the word run started the list of the errands
In order to replace the infinitives with gerunds, all main verbs or actions need be have the -ing ending and eliminate the word "to". The sentence should be revised in the following way:
Hosting a party of this magnitude requires cleaning and organizing the house before getting to the part of adding decorations to the rooms.
A isn't correct because it would be Is
C would be were
so the correct answer is B Because Don't agrees with the subject
Common lodging Workplaces: Resort, Hotel, Bed and BreakFast
Other WorkPlaces: Gym, Cafeteria, Airport