Legislators make nation's laws at the U.S. Capitol building
Answer: A
Explanation
The Legislators are part of the Legislative branch who is centered at US Capitol building.
The Legislative branch mainly focuses on viewing the bills, discussing the bills and passing the bills.
The legislative branch consists of members of Senate and House of Representatives.
They also have rights to override a president's decision and can make and regulate laws.
In summary, the legislative branch works in US Capitol building and manages all the administration under the government.