In paragraph 1, the author mentioned several information leakage incidents, all of which revealed______
It is not polite to ask about the other person's salary in western countries.
A. 对
B. 错
The Boston Consulting Group says that in a dozen countries it surveyed in 2013, all respondents outside China stated that sharing personal information online should be cautious.
A. 对
B. 错
Chinese law has defined what counts as personal information now.
A. 对
B. 错