Chris wants to correctly apply the four tests to evaluate an argument. First Chris checks the facts ...

Chris wants to correctly apply the four tests to evaluate an argument. First Chris checks the facts and learns that the premises are all true. The next step is to __________.
 
  (a) provide multiple reasons to support the claim being advanced
  (b) contact an expert to ask the expert to confirm or to disconfirm the conclusion
  (c) figure out if the reason(s) given are relevant to the truth of the conclusion
  (d) see if the claim forms part of the basis for accepting the truth of any of the premises
  (e) try to imagine a situation in which all of the premises are true, but the conclusion is false