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.
This material is suitable for students of eighteen years and up.
A. The material may be suitable for students of over eighteen years of age
B. This material is suitable for students who are over eighteen.
C. Only 18-year-old students will find this material suitable.
D. Students of eighteen years and over can use this material.