What Was the Nature of the Economy During the Gupta

What was the nature of the economy during the Gupta period?

A) The continued prosperity of the China-Rome axis allowed the continued development of international trade.
B) The Indian economy entered a period of severe depression during which most trade and manufacturing ceased.
C) Although the China-Rome trade axis declined, India remained the hub of the great Indian Ocean trading network.
D) Technological crudity limited the ability of Indian manufacturing and agricultural productivity to expand.