(Joke of the Day) Sending fail

GIRLFRIEND: Good morning sweetheart.

BOYFRIEND: Good morning darling.
(sending failed)

GIRLFRIEND: Why don't you want to
reply my message, don't you have my time?

BOYFRIEND: I have tried to reply but the
Network is poor! (sending failed)

GIRLFRIEND: if you don't love me; ignore
my message, if you really love me; reply me.

BOYFRIEND: I Love You. (sending failed)

GIRLFRIEND: Do you love me???

BOYFRIEND: I Love You Baby. (sending
failed)

GIRLFRIEND: Never speak to me again! BOYFRIEND: I Love You Sweetie

(sending failed)

GIRLFRIEND: Do you want to end our relationship?

BOYFRIEND: I'm fed up of this shit..!!! (Message Sent).

-------------------------

Pls, Which Network is this..??
(A) MTN
(B) ETISALAT 
(C) GLO
(D) AIRTEL