从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. When I got out of the car and walked about among them, ____ one old man who shook his head disapprovingly, they all began to cheer.
A. seeing that B. except that C. provided that D. except for
22. What was declared by the court is this: the power plant(电厂) ____ pay overall damages for the economic losses caused by the power cut.
A. can B. might C. shall D. will
