Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following sentences. Question 15. Your parents will help you with the problem. You should tell them the story. A. Your parents will help you with the problem because you should tell them the story. B. Your parents will help you with the problem since you should tell them the story. C. If your parents will help you with the problem, you should tell them the story. D. Because your parents will help you with the problem, you should tell them the story. Question 16. Cancers and AIDS / untreatable / now / be cured successfully. A. Cancers and AIDS, they are untreatable now, will be cured successfully. B. Cancers and AIDS, which are untreatable now, will be cured successfully. C. Cancers and AIDS, that are untreatable now, will be cured successfully. D. Cancers and AIDS, which are untreatable now, they will be cured successfully