Excerpt from Large TB Prevention Trial Planned NIH. gov "Most household members of people with MDR-TB are likely to acquire latent TB infection, in which the bacterium Mycobacterium tuberculosis lives in the body without making a person sick." Which reference source would be most useful if you wanted to know the definition of the word "latent" as it is used in this passage?
A) a textbook
B) a thesaurus
C) a dictionary
D) an online encyclopedia