The Figure Given Below Shows the Demand [D and D']

The figure given below shows the demand [D and D'] and supply [S and S'] curves of shares of stock.Figure 17.2

-Which of the following actions can be categorized as rent seeking?

A) Increase in the income tax rates by the government
B) Lobbying efforts of individuals or groups to gain favors from the government
C) Profit maximizing firms charging a price greater than their marginal costs
D) Export of goods from developing to developed countries
E) Government intervention in the real estate market