The soil in a typical natural rainforest remains fertile and suitable for arable agriculture because?

A.

the vegetation is luxuriant

B.

there is abundant supply of sunshine and rainfall which leach the soil

C.

the soil nutrient is continously being replenished y the decay of the dense undergrowth and fallen leaves

D.

there is absence of plant cover

E.

the soil is well-drained

Correct answer is C

No explanation has been provided for this answer.