One very special feature in the earthworm pheretima is that

Options

A. it has a long dorsal tubular heart
B. Fertilisation of eggs occurs inside the body
C. The typholosole greatly increases the effective absorption area of the digested food in the intestine
D. The S-shaped setae embedded in the integument are the defensive weapons used against the enemies.

Answer

C

Explanation

The typholosole greatly increases the effective absorption area of the digested food in the intestine