Mark the letter A, B, C, or D on...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Driver are advised to get enough petrol because filling stations are few and far between on the highway.

A. easy to find

B. difficult to access

C. unlikely to happen

D. impossible to reach