The correct answer is C. Bcc.
Cc stands for “carbon copy.” When you send an email to multiple recipients, you can add them to the “To” field or the “Cc” field. The “To” field is for the primary recipient of the email, and the “Cc” field is for secondary recipients. The primary recipient will see the names of all the other recipients in the “Cc” field.
Bcc stands for “blind carbon copy.” When you add a recipient to the “Bcc” field, they will not see the names of the other recipients in the “Bcc” field. This is useful if you want to send an email to multiple people without them knowing who else is receiving the email.
The “Subject” field is for the subject of the email. This is a brief description of the email that will be displayed in the recipient’s inbox.
I hope this helps! Let me know if you have any other questions.