For the following reactions
(A)`CH_3CH_2CH_2Br+KOH to CH_3CH=CH_2+KBr +H_2O`
Which of the following statements is correct
A. (A) and (B) are elimination reaction and (C ) is addition reaction
B. (A) is elimination , (B) is substitution and (C ) is addition reaction
C. (A) is elimination , (B) and (C )are substitution reactions
D. (A) is substitution , (B) and (C ) are addition reacton
