How should you schedule an email to send in Mail on iPhone?

How should you schedule an email to send in Mail on iPhone?
A . Tap Settings > Mail > Schedule and configure the send date and time.
B . Touch and hold the mail body and configure the send date and time.
C . Touch and hold the send button and set the send date and time.
D . Tap the calendar icon in the mail menu bar and configure the send date and time.

Answer: C