Advances in genetic engineering and biotechnology are expected to produce some food productsthat will become available year-round even in northern climates. These changes will providegrocers with an opportunity to reduce their shipping costs while at the same time, offering fresher produce to their customers. These advances are an example of changes in the:

A. technological environment
B. economic environment
C. political environment
D. ecological environment

I picked out the correct answer. Which one did you choose?