Answer:
oops I never learned this in 6th grade sorry....
This is a predicate adjective, as it immediately follows a copulative (=linking) verb "to grow". If it said - The tall grass, then "tall" would be nominative. This way it isn't, it is a predicative adjective.
"<span>d. Because one of the witches' prophecies has come true" would be the best option from the list, since it is the witch's ideas and warnings that are often most feared in this tale. </span>
The Climax comes after it