When the mother cried: “ Buddy, you didn ’ t really write this beautiful, beautiful poem! ” _______.
A.
She didn ’ t believe that her son had really written this beautiful poem
B.
She was not sure whether her son had written this poem
C.
She meant that an eight-or-nine-year-old boy could not have written such a wonderful poem
D.
She wanted to let her son know she was amazed that he had written such a beautiful poem