一道初二英语阅读题,急求答案

一道初二英语阅读题,急求答案
Mrs Green was eighty years old and healthy. She had a car, and she always drove to the shops on Saturdays and bought her food. She did not drive fast because she was old. She drove well and never hit anything. Sometimes her grandchildren said to her, "Please don't drive your car, Grandmother. We can take you to the shops." But she always said, "No, I like driving. I drove for 50 years and I'm not going to stop it now."
Last Saturday she stopped her car at the traffic lights because they were red and then the car could not start again. The lights were green, then yellow, then red, then green again, but her car did not start, "What shall I do " she said.
Then a policeman came and said to her kindly, "Good morning, Madam. Don't you like any of our colors today
( ) Which is right .
A. Mrs Green wasn't old at all B. Mrs Green could drive fast
B. She was too old to drive D. She always drove her red car.
这道题有点争议,到底是选B还是C,请各位高手指教