Privacy enhancing tools aim to allow users to take one or more of the following actions related to their personal data that is sent to, and used by online service providers, merchants or other users: i. Increase control over their personal data ii. Choose whether to use services anonymously or not iii. Obtain informed consent about sharing their personal data iv. Opt-out of behavioral advertising or any other use of data Please select correct option from below:
A. Only i
B. Only i and ii
C. All
D. All except iii