Physicians Involved in Regenerative Medicine Research Conduct a Series of Animal

Physicians involved in regenerative medicine research conduct a series of animal experiments to determine pulmonary tissue regeneration capacity.  During one of the experiments, lung alveoli are exposed to NO₂ and massive necrosis of the epithelial lining ensues.  Histologic examination of the injured tissues a month later shows partial recovery of the alveolar epithelial lining.  This regenerated tissue is most likely derived from which of the following cell types?

A) Alveolar macrophages
B) Ciliated epithelium
C) Club cells
D) Goblet cells
E) Type I pneumocytes
F) Type II pneumocytes

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