Which of the following statements is correct about benzene?

Which of the following statements is correct about benzene? a. The carbon-hydrogen bond-lengths are all the same. b. It is less reactive than acyclic trienes are. c. The C-C-C bond angle will be 114.25 °, the average of 120 and 108.5 °. d. The carbon-carbon bonds are alternately short and long. e. It undergoes addition reactions with difficulty.