Which of the following most influenced the success of the new antibiotic in fighting bacteria?

a
the discovery of streptomycin
b
the development of lab conditions
c
the gene for calcium dependence
d
the cloning and copying of dna

Option A, I'm not sure though

Explanation:

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.