Which sentence is punctuated correctly?	
 A.
"Their dancing," she added, "is a combination of modern dance and ballet."
 B.
"It is" Lynette explained "a famous dance troupe based in New York City."
 C.
"No." replied Carly "I'm sorry to say that I don't know much about that group."
 D.
Lynette asked "Did you realize that the Alvin Ailey American Dance Theater is forty-five years old"?