What is the cause and effect of this sentence? we threw her a surprise party because it was her birthday.

Read these sentences from "the yellow wallpaper." the color is repellent, almost revolting; a smouldering unclean yellow, strangely faded by the slow-turning sunlight. it is dull yet lurid orange in some places, a sickly sulphur tint to others. what tone does the author create with the word choice? o a. beautiful o b. disgusted o c. happy o d. silly

What is the best way to combine these sentences?

Meeee i’m in need of answerering this