C-Not clear and not making sense.
From a dictionary, in-ar-tic-u-late: adjective, lacking the ability to express oneself in speech
I think it would be the first one
A dependent clause adds something to a sentence but cannot be a standalone sentence, hence "dependent." In this sentence, "when I had... phone" is a dependent clause.
The yellow wallpaper is driven by the narrators sense that wallpaper is a text she must interpret that its something effecting her