Police hurried to the address supplied by their________, only to learn that the suspect had escaped less than an hour before.
句意：警察赶到由情报提供者告知的地址，却得知嫌犯在不到一小时前逃跑了。infomumt情报提供者。 informant信息。informative情报的。informed见多识广的。因此选C。