How many Senators are there in the U.S. Congress?

The correct answer is that there are 100 Senators in the U.S. Congress. This is established by the structure of the U.S. Senate, which consists of two Senators from each of the 50 states, regardless of the state's population size. This equal representation in the Senate is intended to balance the influence of larger states with that of smaller states in the legislative process.

For context, other options present numbers that do not reflect the composition of the Senate. The option stating 50 could lead one to think of the number of states rather than Senators. The number 200 does not correspond to any specific legislative body within the U.S. Congress, and the option of 435 represents the number of members in the U.S. House of Representatives, not the Senate. Understanding the makeup of Congress in this way highlights the distinct roles of the two chambers and their respective members.