The correct option is D Aril
All parts, except the flesh of the berries, contain taxin(e) a complex of alkaloids which is rapidly absorbed. Also present are ephedrine, a cyanogenic glycoside (taxiphyllin) and a volatile oil. Though the berries are harmless, the seed within is highly toxic. Unbroken it will pass through the body without being digested but if the seed is chewed poisoning can occur with as few as three berries. Bright red berry-like structure called an aril.