Help the first to answer gets brainlist!!!

What was the significance of the copper bells that de Vaca was given?
a.
The copper bells were probably traded from Mesoamerica.
b.
The copper bells meant that there was a knowledge of metallurgy.
c.
The copper bells were prized possessions, which meant they accepted De Vaca.
d.
The copper bells were important because of all of the above.


Please select the best answer from the choices provided

A
B
C
D