Select the correct structural sequence of alimentary canal facing from inside to outsie.
A. Serosa `rarr` Muscularis `rarr` Submucosa `rarr` Mucosa
B. Muscularis `rarr` Serosa ` rarr` Mucosa `rarr` Submucosa
C. Mucosa `rarr` Submucosa`rarr` Muscularis ` rarr ` Serosa
D. Submucosa ` rarr` Mucosa `rarr` Muscularis `rarr` Serosa