What Did Henry George Propose as a Solution to Poverty

What did Henry George propose as a solution to poverty in modern society?

A) to let nature take its evolutionary course
B) to replace all taxes with a "single tax" on land
C) a socialist utopia in which the government owns the means of production
D) to establish worker and farmer "cooperatives" to own the means of production
E) to make churches the center of social reform instead of the government