Correct sentence: The weather guy said that it was supposed to rain, but I don't see a drop coming from the sky yet!
A comma is needed to separate the independent clause after rain. - True.
A comma is needed to correctly punctuate the compound sentence- True
Picnic. frivolity is something that is unnesasary/enjoyable.
C. If they know you don't care then its less likely that critics will criticize your persuasive argument, or D will also work