One of the Hypotheses Pasteur Offered to Explain the Emergence

Multiple Choice

One of the hypotheses Pasteur offered to explain the emergence of microbes in sterilized nutrient solutions was that:

A) Microbes were deposited by dust particles in the air.
B) Temperature resistant spores were present in the solution prior to boiling.
C) Microbes arose from the agency of oxygen on the solution.
D) The container holding the solution had not been properly sanitized.
E) Microbes arose from a chemical reaction in the solution.