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 typhlosole 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 nemies

Answer

C

Explanation

Typhlosole is a highly glandular vascular longitudinal ridge increasing the area for absorption of digested food