Question

Which organization was responsible for electing the most important officials in the Roman Republic?

Answer 1

Non of these are correct. Actually the Citizens would elect nearly all government officials in public elections. Granted Higher class citizens would have more sway in the elections but it was still left to the general public

Answer 2

D, the Assembly of the Centuries
They elect the consuls, the praetors and the Censors and also have the power to declare war.