Excerpt from norse mythology part d
kate mcconnaughey

(26) this was the reason why this wonderful tree was always growing, and why it grew as high as the sky.
read the passage. look at the underlined sections marked number (26). there may be a mistake in the way the sentence is written. if you find a mistake, choose the answer that corrects the mistake. if there is no mistake, choose ‘correct as is.’
a) correct as is.
b) this was the reason why this wonderful tree was always growing, so why it grew as high as the sky
c) this was the reason why this wonderful tree was always growing, yet why it grew as high as the sky
d) this was the reason why this wonderful tree was always growing, but why it grew as high as the sky.