... depends entirely on understanding the argument in the stimulus.
...
The argument in the stimulus is this ... the the author's argument that the economists are ...
(B) doesn't strengthen the economists' position, since it ...
... , but I think the (flawed) argument admits that the musicians are ... proffered counterexample actually serves to strengthen the "same people say" rule ...
... ones that may "strengthen" a part of the argument (say, the conclusion ... not the REASONING of the argument - big difference there. This helps ...
... stimulus, trying to understand the argument as well as I could ... " and proceed to read the argument accordingly. Just make sure you ... any "Except" or "does not strengthen/weaken/explain.
I think ...
... that in any argument based stimulus that has a flaw (almost all ... ) you can basically articulate the flaw in terms of "takes for ... argument based question types. This will help you in identifying the flaw ...