Which sentence is punctuated correctly?

A.
"They really do!" exclaimed Preston, shaking his head.

B. Ned asked, "How do these work"?

C. Zachary said, "They look like tiny castles now".

D. Oscar replied. "These crystals grow when you put them in water."

Respuesta :

The answer is C  Zachary said, "They look like tiny castles now".
i believe its A, because there is correct uses of commas, and the exclamation point is inside the quotation marks