Which answer choice best corrects the punctuation and capitalization errors in the sentence, if any errors exist?

because of his broken leg, mr. vance said he needed some in the afternoons.

a.
because of his broken leg, mr. vance said, "he needed some in the afternoons."

b.
because of his broken leg, mr. vance said, "he needed some in the afternoons."

c.
because of his broken leg, mr. vance, "said he needed some in the afternoons."

d.
no changes to the sentence are necessary.