Question

genetic modification of food crops is considered controversial because
some people worry it will negatively impact human health.
farmers worry that genetically modified crops will not be hardy.
some people are afraid they will not like the taste of modified foods.
farmers are afraid it will make their crops more susceptible to pests.

Explanation:

Genetic modification of food crops is controversial mainly due to health - related concerns. Many fear potential long - term negative impacts on human health from consuming GMOs. Other options like crop hardiness, taste, and pest susceptibility are less central to the overall controversy.

Answer:

A. some people worry it will negatively impact human health.