In the Circular Flow of Income

In the circular flow of income

A) households demand goods and services that are supplied by firms, and the firms demand factors that are supplied by intermediate firms.
B) households demand goods and services that are supplied by firms, while supplying factors that are demanded by firms.
C) households buy goods and services while firms sell goods and services. Firms obtain labour from households, capital from government and raw materials from other firms.
D) households sell goods and services while firms sell factors.