What May Have Prevented the Use of Bioplastics in the Past

Multiple Choice

What may have prevented the use of bioplastics in the past century?

A) The technology for mass production of bioplastics was not yet available.
B) The materials needed for bioplastics was used for food.
C) Bioplastics were viewed as inferior materials.
D) Oil became widely available and petrochemical plastics took over the market.
E) Synthetic plastic producers had a strong government lobby.