Answer:
A
Explanation:
"Keep", "factor", and "calculate" are all verbs in the list of things the new system allows teachers to do. The other sentences are inconsistent with their list of verbs/adjectives/nouns. Thus, option A is the only one that is grammatically correct.
B. Hall knew that the outrage would help Britain's cause
She shows that she believes that men are pigs, the way they eat in the story and the way they show how they act like animals
