Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
You don’t try to work hard. You will fail in the exam.
A.Unless you don’t try to work hard, you will fail in the exam.
B.Unless you try to work hard, you won’t fail in the exam.
C.Unless you try to work hard, you will fail in the exam.
D.Unless do you try to work hard, you will fail in the exam