Read a passage and choose the best answer. Most reservations are taken over the telephone

Read a passage and choose the best answer. Most reservations are taken over the telephone. A friendly and helpful telephone manner is sential, however busy you are, because potential customers are easily put off at this early stage and they may never call again: Always answer the phone promptly when it rings. Have the reservation book close to hand. State clearly the name of the establishment. Offer the caller your assistance （）

A．via emails

B．via telephones

C．face to face

D．via tax