A is the answer I think it is
Is this a multiple choice question?
Answers:
1. started (past simple)
2. looked (past simple)
3. knew (past simple)
4. had gotten (past perfect)
5. remembered (past simple)
6. had attended (past perfect)
7. had taught (past perfect)
8. ran (past simple)
9. put (past simple)
10. joined (past simple)
11. pulled (past simple)
12. heard (past simple)
13. knew (past simple)
14. was coming (past perfect)
15. gave (past simple)
16. probably saved (past perfect)
i hope this helps! :D
A is the predicate adj, because it's describing the subject