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
There is not a single corner of Hue that my friend hasn't visited.
A. My friend has visited only a single part of Hue
B. My friend has visited every part of Hue already
C. My friend hasn't visited most parts of Hue
D. My friend hasn't visited any parts of Hue