Read the Following Scenario and Answer the Question Below

Read the following scenario and answer the question below.
In Johannesburg, South Africa, the South West Township (Soweto) was one of several areas established early in the last century for blacks to live away from the white ruling minority. On the hills surrounding Soweto, the company that provides South Africaʹs electricity, Eskom, built a large, coal-burning, electricity-generating plant. The electricity was for white areas of Johannesburg, miles away from the plant. The residents of Soweto had no electrical connections.
-The high sulfur content of the coal burned in South African power plants means that the ________________.

A) coal is very expensive, forcing most poor people to go without electricity
B) coal is very inexpensive, leading to an improved economy
C) power plants contribute to acidic deposition
D) power plants burn cleanly, with little pollution
E) power plants emit high levels of radioactive pollution