Why did the fruit described in Chapter 25 of Grapes of Wrath have to rot? (Urgent help needed!)

A. People had heard that the fruit was no longer a healthy item to eat so they stopped buying it.
B. It would cost more to pay people to harvest it than the farmer could sell it for.
C. There was a drought and the fruit was not worth picking.
D. It has a disease that the farmer couldn’t afford to cure.