28. Throughout the world, engineers have been infamous for their general lack of concern for the environmental impact of theiractivities, and, consequently, they have contributed to the decline in the quality of our surroundings.This means that ______.
(A) engineers should show less concern for the well-being of people and their environment to improve our lives.
(B) engineers should stop driving cars which pollute our environment to improve our lives.
(C) engineers should strive for a greater impact on their environment to improve our lives.
(D) engineers should be aware of and avoid designing sources of pollution to improve our lives.