In many developing countries, food security is threatened by "Post-Harvest Loss." Which of the following is the most likely cause of this?
(A) Farmers forgetting to pick the fruit from the trees.
(B) Poor storage facilities (like lack of refrigerators) and bad roads that cause food to rot before it reaches the market.
(C) People in the city eating too much food.
(D) Not having enough seeds to plant for the next year.