This saves them considerable time and money―especially if a candidate lives out of town. Don’t take these interviews lightly. It is important to prepare for a telephone interview just as you would do for a regular interview. The employer will normally call or e-mall you in advance to set up an interview time. If possible, arrange for the interview to be held over a landline phone(座机), as it is more reliable than a mobile phone. Make sure that children, pets and other sources of interruption will be out of the room. Keep a glass of water nearby. Phone interviews can often last a half-hour to an hour and be sure to have your résumé in front of you. Do your best to be personal, but don’t overdo it by, say, trying to tell a joke.A landline phone is preferred for the interview because it is more ______.

A. reliable

B. economical

C. efficient

D. practical