In the 1990s, Researchers Attempted to Improve the Balance of Amino

In the 1990s, researchers attempted to improve the balance of amino acids in soybean protein by inserting a gene from Brazil nuts. Which of the following is the best reason as to why the transgenic soybeans have never been grown commercially?

A) Some people were allergic to the protein product of the Brazil nut gene.
B) The public was misinformed by food- safety advocates and refused to buy products made from the modified soybeans.
C) The modified soybeans could not grow with the foreign gene present.
D) Regulatory hurdles made the modified soybeans too expensive to market profitably.