Question

Which answer shows proper comma usage?

Sentence:The first Spanish viceroy of Mexico Antonio de Mendoza was appointed in 1535.
a)The first Spanish viceroy, of Mexico, Antonio de Mendoza, was appointed in 1535.
b)The first Spanish viceroy of Mexico, Antonio de Mendoza, was appointed in 1535.
c)The first Spanish viceroy of Mexico, Antonio de Mendoza was appointed in 1535.
d)The first Spanish viceroy of Mexico Antonio de Mendoza, was appointed in 1535.

Answer 1

d)The first Spanish viceroy of Mexico Antonio de Mendoza, was appointed in 1535.

Answer 2

A shows the correct grammar usage for a comma.