Mathematics · Logical Reasoning

Read the following information carefully and decide which of the conclusions logically follow(s) from the statement. Statement: With active populations, road traffic, industry and construction, cities are expectedly noisy places. Noise is a leading source of dissatisfaction for city residents. Urban noise affects the quality of lives of people residing there. It also causes serious and long-term harm to health. Noise disturbs sleep which results in stress, fatigue and changes in the body's chemical balances. Noise interferes with certain cognitive functions such as attention, concentration and memory. Conclusions: A. The main cause of noise pollution is people remaining active throughout the day, enabling them to pay attention to their tasks for a longer duration. B. Noise pollution is evident only in those urban areas where industries are located and people do not sleep properly due to long working hours. C. Noise is associated with low quality of sleep, which causes other problems such as tiredness, stress, and bodily changes. D. Sleep is not the only factor interfered with by noise pollution; there are other functions affected among people.