Several Years Ago,I Was Crossing the Border from Canada to the United

Multiple Choice

Several years ago,I was crossing the border from Canada to the United States and I had a bag of Washington State apples with me.The customs officer at the border would not let me take the apples with me into the United States (and I really hated the idea of getting rid of a bag of perfectly good apples) .Why did the customs officer refuse to allow me to cross the border with my apples?

A) Washington State apples are considered an endangered fruit.
B) Apples grown in the United States for export may be contaminated with DDT.
C) There may have been a species that was not native to the United States hitching a ride on my apples.
D) Economics: If I couldn't bring the apples in with me,I would have to buy my apples from a store in the United States.