Answer is A. Injury is just one risk that mountain climbers face.
B. A chapter that offers social commentary and is interwoven with narrative chapters
Based on the given sentence above, the verb that is used here is "will have been traveling". This verb is in the tense form of f<span>uture perfect progressive tense, meaning that the action here is in the future and it is ongoing that will happen in some specified time in the future. Hope this helps.</span>
I think change isn’t to is