From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen.

Amuscularis externa, serosa, mucosa, and submucosa

Bserosa, mucosa, submucosa, and muscularis externa

Csubmucosa, serosa, muscularis externa, and mucosa

Dmucosa, submucosa, muscularis externa, and serosa