Prior to the Montgomery Bus Boycott, What Experience Did Rosa

Prior to the Montgomery Bus Boycott, what experience did Rosa Parks have with the civil rights movement?

A) Giving up her bus seat was her first protest for civil rights.
B) She was introduced to protesting when she met Martin Luther King Jr.
C) She had been involved in civil rights protests since the 1930s.
D) She first became interested in civil rights in the 1920s when she marched with Marcus Garvey.
E) She previously advocated the use of violence to gain more rights.