题目

亚丁湾中国舰队护航途中，补给舰对驱、护舰进行综合补给。该过程中，若以补给舰为参照物，则驱、护舰是         的。 答案：静止It is reported that by careful questioning the police managed to _________ the information they were looking for.A．add up B．set down C．dig out D．give up