Which of the following statements are true about acid rain? (i) Acid rain has harmful effects on the living beings. (ii) Acid rain mainly comprises of \[{{H}_{2}}S{{O}_{4}}\] and \[HN{{O}_{3}}\]. (iii) Greenhouse gases are mainly responsible for causing acid rain. (iv) Acid rain causes damage to buildings.

• A. (i) and (ii) only                      
• B.        (i) and (iii) only      
• C.                       (i), (iii) and (iv) only
• D.                       (i), (ii) and (iv) only