Jean Wagner’s must enduring contribution to the study of Afro-American poetry is his insistence that it ______in a religious, as well as worldly, frame of reference.

A．The President said he is ready to think about all proposals instead of a repeal.
B．The President was quite satisfied and ordered people to carry out the plan soon.
C．The President presented another solution to the problem.
D．The President encouraged them to present an alternativ

A．House building.
B．Agriculture development.
C．Road construction.
D．Industrial development.