During an Endoscopic Thoracic Sympathectomy for Hyperhidrosis,what Action by the Anesthesia

During an endoscopic thoracic sympathectomy for hyperhidrosis,what action by the anesthesia provider ensures exposure and minimizes damage to the lung?

A) Positions the patient in the anterolateral position with an expandable axillary roll.
B) Decreases ventilatory pressure to decrease lung expansion during dissection.
C) Deflates the lung on recommendation of the surgeon during dissection and resection.
D) Decreases positive end-expiratory pressure until resection is complete.