The dealer said Yes, she is here, madam. Whether she will see you or not, I do not know

What is the correct way to punctuate these sentences?
A.
The dealer said "Yes, she is here, madam." Whether she will see you or not, I do not know.
B.
The dealer said "Yes, she is here, madam. Whether she will see you or not, I do not know.
C.
The dealer said, "Yes, she is here, madam. Whether she will see you or not, I do not know."
D.
The dealer said, Yes, she is here, madam. "Whether she will see you or not, I do not know."