A.He completed a call to that number only a short time ago.B.He believes the operator cannot hear him.C.He believes the operator does not want him to make the call.D.He thinks that the number must have been changed.
A.He completed a call to that number only a short time ago.
B.He believes the operator cannot hear him.
C.He believes the operator does not want him to make the call.
D.He thinks that the number must have been changed.