When Helen had lunch with her brother, Gavin, on Tuesday, he confided in her that he was considering getting a divorce from his husband. The next day, when Helen was speaking to her best friend, Tanya, on the phone, she accidentally let slip that Gavin's marriage was in trouble. This demonstrates which of the following negative aspects of self-disclosure?

A. rejection
B. obligations in others
C. hurt to others
D. violation of other people's privacy

Answer: D