Why doesn't juilet want romeo to swear his love by the moon?

a) she does not want to be associated with diana.
b) she associates the moon with failure and bad luck
c) she does not want him to swear on something that changes
d) she knows that rosaline was associated with the moon

Refute it, showing why it is mistaken—an apparent but not real problem; acknowledge its validity or plausibility, but suggest why on balance it's relatively less important or less likely than what you propose, and thus doesn't overturn it; concede its force and complicate your idea accordingly—restate your thesis in a more exact, qualified, or nuanced way that takes account of the objection, or start a new section in which you consider your topic in light of it. this will work if the counterargument concerns only an aspect of your argument; if it undermines your whole case, you need a new thesis.