Final answer:
The statement 'Now you've got to be kidding' from the 7th Juror is best understood as a statement expressing disbelief, which often occurs when jurors disagree on a verdict.
Step-by-step explanation:
The phrase '7th Juror: Now you've got to be kidding.' can be interpreted in a number of ways depending on the context. However, given the options provided and the nature of the statement, it is best described as b) A statement expressing disbelief. This phrase is typically used when someone is confronted with something they find hard to believe or accept, which often occurs during a jury deliberation when the jury members do not agree on a verdict. In a situation where the credibility of a statement is in question, expressing disbelief indicates that the person has heard what was said but finds it difficult to accept as true or valid. It is important in trials and discussions of testimonial injustice and the standard of proof in criminal trials to consider the weight and believability of statements, as these can greatly impact the outcome of the proceedings.