In the Early 1400s,a Visitor from China to Europe

In the early 1400s,a visitor from China to Europe:

A) Would have been concerned by the growing strength of the Catholic Church.
B) Would have been impressed by the speed with which technological innovation was taking place.
C) Would have been impressed with advances in medicine.
D) Would have thought Europe poverty stricken and backward.
E) Would have been impressed by the size and training of European armies.