Mark the letter A, B, C or D on your answer sheet to indicate the most meaningful sentence written from the given words

Mark the letter A, B, C or D on your answer sheet to indicate the most meaningful sentence written from the given words.
39. you / bring / map / you,/ get / lost
A. If you bring a map with you, you won’t get lost.
B. If you bring a map with you, you will get lost.
C. If you don’t bring a map with you, you won’t get lost.
D. Unless you don’t bring a map with you, you won’t get lost.
40. Graham Bell / great scientist. / invent / telephone.
A. Graham Bell was a great scientist whom invented the telephone.
B. Graham Bell was a great scientist which invented the telephone
C. Graham Bell was a great scientist, which invented the telephone.
D. Graham Bell was a great scientist, who invented the telephone.