Which is the right way to capitalize the words in this sentence?

1. "wait," he said, "until the gophers have won a few games."

select one:
a. “wait,” he said, “until the gophers have won a few games.”
b. no changes--the sentence is perfect.
c. “wait,” he said, “until the gophers have won a few games.”
d. “wait,” he said, “until the gophers have won a few games.”