If bottle A contains cis-2-butene, bottle B contains 1-propyne, and bottle ... ...

If bottle A contains cis-2-butene, bottle B contains 1-propyne, and bottle C contains butane, identify the bottle that contains the compound with carbon-carbon bonds of the highest bond energy.  
(A) Bottle A
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 17. Alkynes