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

by some it is supposed that bad luck may be avoided by locking on wood

A. if bad luck is coming, it will be destroyed provided that one knocks on wood. 

B. there are some people who believe that it is bad luck to avoid knocking on wood 

C. bad luck is said to be preventable by knocking on wood sometimes. 

D. that knocking on wood can keep bad luck away is believed by some people