题目内容
（请给出正确答案）
提问人：网友z*****n
发布时间：2022年4月6日 08:00
[单项选择题]
Tomorrow evening about 20 million Americans will be shown, on their television screens, how easy it ...The underlined "this" in line 3, paragraph 9 refers to ______.
A．some foreign Power.
B．the security system of some nuclear plants.
C．sabotage by some foreign Power.
D．the attack by some terrorists.
参考答案
十点题库官方参考答案
（由十点题库聘请的专业题库老师提供的解答）
