In order to allow homeowners to own a house, a city raises funds to promote the construction of affordable housing. Next year, the construction of affordable housing in the city will enter a climax of completion. At present, how to define the qualification of affordable housing has aroused widespread public concern. Some people believe that affordable housing The government funded the construction, so it can only be purchased by residents of this city. For people who are not registered in this city, they should not be eligible for social housing. which is the most questionable of the following? ['In addition to government finances, there are a lot of commercial capital.', "The city's non-resident permanent residents have paid a lot of taxes for government finances.", 'The income level of the registered population in this city is generally higher than that of the non-registered population.', "More than half of the city's permanent population is non-registered."]