Which of the Following Is NOT a True Statement Regarding

Which of the following is NOT a true statement regarding the economy of South Asia under Gupta rule?

A) Under Gupta rule, India became the largest exporter of cotton goods.
B) Under Gupta rule, India became the primary exporter of sugar.
C) The Guptas traded heavily throughout Southeast Asia, Persia, and Central Asia.
D) Gupta trade suffered dramatically after the collapse of the western Roman empire.