Which fruit follows a double sigmoid curve

Answer: Option B

Fruit follows a double sigmoid curve in Fig.
A double-sigmoidal curve will generally need at least six parameters, two midpoints and slopes parameters each, a maximum value and an asymptotic final value after decay.
An S-shaped or sigmoid curve is obtained upon plotting the total growth of a plant against a particular time interval.
The double sigmoid growth curve of the fig shows the progression in fruit diameter and ethylene evolution during the three phases of fruit growth.