Which statement best describes the relationship between primary and secondary sources?

Primary sources are created by organizing them into a secondary source.
Primary sources are created at the time of an event, and secondary sources are created a few years later.
Secondary sources must be used together to support different opinions; however, primary sources can stand alone.
Secondary sources are created by analyzing and interpreting primary sources to explore events and problems in history. plzz hurry a BRAINLIEST WILL BE GIVEN OUT