How did the germ theory of disease become an accepted idea?

the work of three scientists brought about scientific consensus.

the work of two scientists brought about scientific consensus.

the individual work of louis pasteur brought about scientific consensus.

scientific consensus was not achieved.

The correct answer is the work of three scientists brought about scientific consensus.

Explanation:

Scientific consensus refers to the collective position, judgment, and thinking of the community of scientists in a specific branch of study. The fundamental forms of germ theory were postulated in the late middle Ages by physicians including Ibn Sina in 1025.  

However, a transitional phase started in the late 1850s with the work done by Louis Pasteur, this work was later prolonged by Robert Koch in the 1880s. The viruses got discovered in the 1890s. Ultimately, a golden phase of bacteriology took place, during which the theory briskly resulted in the determination of the actual species, which may lead to various diseases.  

i think it's c. i'm not sure but i think so.