Which of the Following Is the Correct Translation and Definition

Which of the following is the correct translation and definition of the abbreviation V/Q?

A) hyperventilation-overbreathing; a condition of having too much air flowing into and out of the lungs
B) nebulizer-a machine that administers respiratory medication by creating a cloud or mist that is inhaled by the patient
C) ventilation quotient-a test of a patient's airflow
D) ventilation-perfusion scan-a scan that tests whether a problem in the lungs is caused by airflow or blood flow
E) whispered pectoriloquy-used as a means of finding masses in the lung