To sent and receive email your computer should have:
Tap an option to check yourself.
Answer: C) Modem
To send and receive email, a computer needs a way to connect to a network/the internet. A modem (or equivalent network interface) provides that connectivity.
A sound card is only for audio input/output and is not required for email.
An AGP card is an older graphics interface and is not required for email.
Therefore the correct choice is C Modem.
Source: Scan #1 page 1 Q108