The correct answer is the last option.
The prefix "bi-" means two, so Congress is bicameral because it has both the Senate and the House of Representatives. In the Senate, each state has the same number of representatives, and in the House, the number of representatives is in proportion to the population of the state.
A CEO runs their own individual branch, therefore A General would command his/her own A Military or Company (Company depending on whether or not it is a Military company, one containing anywhere from 80 to up to 250 men).
The answer choice C is my opinion