The constitutional guarantee of free speech may have been aimed at protecting native speakers of English from censorship, but it is not a great ______ to interpret it as protecting the right to express oneself in any natural language or dialect.

A．The History of Black People in the United States.
B．West African Tribal Relations.
C．The Origin of Modern African-American Consciousness.
D．Slavery: A Democratic Anomaly.

A．Leif Erikson did not visit America
B．Biarni might have visited America before Leif Erikson
C．Biarni did not visit Wineland
D．Leif Erikson visited Wineland first