Which of the following sentences is punctuated correctly?()
A、No one expectede her to buy a car, so we were quite surprised when we discovered that she had bought two.
B、NO one expected her to buy a car, so we were quite, surprised whe we discovered that she had bought two.
C、No one expected her to buy a car, so we were quite surprised when we discovered, that she had bought two.
D、None of the above.