1-C. Those who had read a novel beforehand scored significantly better than the other group which had not.Those who had read a novel beforehand scored significantly better than the other group which had not.
2-C. However, the amount of oranges produced and shipped domestically falls significantly from June through October.However, the amount of oranges produced and shipped domestically falls significantly from June through October.
3-C. (6) All of this shows that the experience of waiting in line can be significantly improved when the psychological aspects of waiting are taken into account.(6) All of this shows that the experience of waiting in line can be significantly improved when the psychological aspects of waiting are taken into account.