Which option identifies the most likely basic requirement in the following scenario?

A developing country needs to shift from smallholding to modern state-of-the-art agribusiness-style farming, and wants to do this in a fully independent, self-sustainable manner.

A) access to advanced chemical supplements and pesticides

B) a substantial body of skilled, traditional subsistence farmers

C) an infrastructure providing educated workers and advanced machines

D) an infrastructure providing cheap, unskilled labor