问题详情

Why does the author say "we live in a world where you simply cannot keep a secret" (Line5,para.3)
A) Modern society has finally evolved into an open society.
B) People leave traces around when using modern technology.
C) There are always people who are curious about others" affairs.
D) Many search engines profit by revealing people"s identities.请帮忙给出正确答案和分析，谢谢！