Which of the Following Demonstrates Google's Sensitivity to User Privacy

Which of the following demonstrates Google's sensitivity to user privacy through the rollout of interest-based ads?

A) Google adds activities in Gmail, Google Docs, and other services in order to improve its customer profiling database.
B) Google builds separate user profiles based on their race, religion, health, and certain financial categories.
C) Google allows users to see and remove categorizations it has assigned to a tracking cookie.
D) Google links query history to ad targeting in order to gain useful insights about a user's ad preferences.
E) Google initiated a program to work with Apple, and Microsoft in order to share browser preferences, so that privacy settings are maintained even if a user moves across platforms and devices.