imagine yourself as a kansas wheat farmer. you monitor weather and soil conditions, check your fields for pests and disease, andstudythe latest advances in farm technology.
the more wheat you grow, the higher your income will be.
one day, kansas state university announces a new discovery.
they have devised a new species of wheat that can produce more wheat.
does this discovery make you better off or worse off than you(did /were) before?

위 지문에서 어떤 분이 정답은 did 라고 하셨는데
제 생각엔 were 같은데 were 아닌가요?