Jean Wagner’s most enduring contribution to the study of Afro-American poetry is this insistence that it ________ in a religious, as well as worldly, frame of reference.

A．It should be assimilated thoroughly.
B．It should be enclosed in quotation marks.
C．It should be paraphrased by the author.
D．It should be authorized by the sourc

A．to help prevent further earthquakes
B．to treat survivors of the earthquake
C．to build a hospital there
D．to find survivors of the earthquake