The author of the passage mentions the "carnival hit 'Pelo telefone'" primarily in order to A. date the origin of samba as a specific musical genre B. date the origin of samba's appropriation by the Euro-Brazilian elite C. highlight a distinction between samba performed during carnival and samba performed outside of carnival D. highlight a distinction between samba performed by Afro-Brazilians and samba performed by Euro-Brazilians E. highlight a distinction between samba derived from African musical sources and samba derived from European musical sources