(Q).
Tracy was supposed to help Alex, but led their existence nowhere. Given the context: What will Alex want to do next? Possible answers: talk to alex, help themselves, get revenge
(A).
help themselves

(Q).
Jan rose to their feet in order to challenge what Austin had been saying. Given the context: Why did Jan do this? Possible answers: interrupted Austin, wanted to ignore what Austin said, wanted to stand up to Austin
(A).
wanted to stand up to Austin

(Q).
When they saw Riley waiting around in the rain after school, Ash offered Riley a ride. Given the context: Why did Ash do this? Possible answers: help Riley make a new friend, help Riley get in out of the rain, help Riley with their homework
(A).
help Riley get in out of the rain