The following non-deductive argument is an example of: ​I just saw on the Internet that flossing makes no real difference to the health of your teeth and gums. So there's no denying it: my teeth and gums are getting no health benefit from all this flossing.
A. An inference to the best explanation, which may or may not be a causal argument
B. An appeal to some information source
C. An argument by analogy
D. An inductive generalization