Im my opinoin id say both a and d but id go wit d to be safe
Answer:
In 1974, Escalante took a job at Garfield High School in East Los Angeles, California. He found himself in a challenging situation: teaching math to troubled students in a rundown school known for violence and drugs. While some had dismissed the students as "unteachable," Escalante strove to reach his students and to get them to live up to their potential. He started an advanced mathematics program with a handful of students. His voice to fight for the troubled helped others to strve for the troubled.
Explanation:
Answer: Scabbers is Ron Weasley's pet rat, who once belonged to Ron's older brother, Percy. Ron claims he's useless because he sleeps all the time, though he did wake up to bite Gregory Goyle in Ron's defence on the Hogwarts Express.
Explanation: hope this helps <3