The correct option is C The private sector is profit driven.
Some services, such as defence services, require a lot of spending and do not make any profit. Activities in the private sector are guided by the motive to earn profit and not the welfare of people.
The society needs several services, which the private sector cannot provide at a reasonable price. Activities like construction of roads, bridges, railways, irrigation through dams, and more require a huge amount of money, which is beyond the capacity of the private sector.
The private sector charges are high for the use of these services. Further, it is difficult for the private sector to collect money from thousands of people who use these services.