单选题 Why are Democrats and some Republicans concerned that the project will erode civil Liberties?

A、 Because people worry about Poindexter's return to power at the helm of such a program
B、 Because people would not know or agree when the Feds trawl through their information
C、 Because people know nothing about the $10 million experiment of the Information Awareness office
D、 Because people argue if they can scan the computers that logged the terrorists' movement

【正确答案】 B

【答案解析】文章提到了这个计划的实施方法：sift through the personal information of millions of innocent people—without their knowledge or consent．所以答案应该是选B。