A Postoperative Patient Who Has Just Had Thoracic Surgery Has

A postoperative patient who has just had thoracic surgery has just been admitted to the Surgical Intensive Care Unit with a chest tube in his right side.It becomes obstructed with blood.This will cause loss of lung volume _________________

A) on the unaffected side.
B) on the affected side.
C) only if the patient coughs.
D) if there is a cardiac tamponade.