One Economist Has Argued That Rent Control Is "The Best

One economist has argued that rent control is "the best way to destroy a city,other than bombing." Why would an economist say this?

A) He fears that low rents will cause low-income people to move into the city,reducing the quality of life for other people.
B) He fears that rent control will benefit landlords at the expense of tenants,increasing inequality in the city.
C) He fears that rent controls will cause a construction boom,which will make the city crowded and more polluted.
D) He fears that rent control will eliminate the incentive to maintain buildings,leading to a deterioration of the city.