This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Integrated QBank, Subject name: Unknown
A known case of pulmonary TB presented to emergency room with difficulty in breathing. Chest x ray was carried out with following finding. Which of the following structures is not pierced in order to do a diagnostic tap from the marked structure? 
Select and explain. 
A. Serratus anterior, B. External intercostal muscle, C. Visceral pleura, D. Endothoracic fascia
C: Visceral pleura
Answer: C: Visceral pleura 
Explanation: Chest x ray revealed pleural effusion in left lung field in background of reticulonodular shadows s/o PTB. Layers pierced in plueral tap. Skin Superficial fascia Serratus anterior 3 intercostal muscles Endothoracic fascia Parietal pleura.