Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to the sentence given in each of the following questions.

Too tired to continue, David stopped walking.

A. David can’t continue to walk when he’s tired.

B. David couldn’t carry on walking because he was too tired.

C. David was too tired to carry out walking.

D. David couldn’t stop walking because he was to tired.