The black dots that cover strawberries are actually fruits formed from the separate carpels of a single flower. The fleshy and tasty portion of a strawberry derives from the receptacle of a flower with many separate carpels. Therefore, a strawberry is:
a. A simple fruit with many seeds
b. Both a multiple fruit and an accessory fruit
c. Both a simple fruit and an aggregate fruit
d. Both an aggregate fruit and an accessory fruit