Which sentence has no errors in the use of quotation marks?

a.
did you say that "he can go in the pool now? "

b.
he said, "that piece fits right on top of this one."

c.
she told me "you don't know what you're talking about."

d.
mr. thompkins said "boys, can you rake the leaves, too? "

He said, "That piece fits right on top of this one."
Compared to the other sentences, only this sentence uses a comma to separate the quotation, and the beginning word of the sentence inside the quotation marks begins with a big letter which is the rule in starting a sentence. 

means you have to follow her sis in app