Study the given experimental set up. Which of the following statements holds true when the rubber sheet is pulled down? (i) Air pressure inside the bell jar increases- (ii) The balloons inside jar expand. (iii) This is similar to expansion of lungs during inhalation. (iv) This is similar to contraction of lungs during exhalation.

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