Which sentence does not contain any punctuation errors?
A"I have heard "Old MacDonald's Farm" a hundred times today," she moaned.
B"Old MacDonald's Farm' should be banned!" she stated.
C"I wonder if there is a Spanish version of 'Old MacDonald's Farm,'" she mused.
D"Why are they singing "Old MacDonald's Farm" again?" she asked.
A"I have heard "Old MacDonald's Farm" a hundred times today," she moaned.
B"Old MacDonald's Farm' should be banned!" she stated.
C"I wonder if there is a Spanish version of 'Old MacDonald's Farm,'" she mused.
D"Why are they singing "Old MacDonald's Farm" again?" she asked.