选择合适从句补全对话。 甲: Hi, Johnson, you’re looking for a cheap hotel, right? 乙: Yes. Do you have any suggestions? 甲: I saw some news about a youth hostel ____1_____ yesterday. I think you may be interested in it. It can save you lots of money. 乙: Great! I’ve wanted to find such a hotel _____2____. Thank you so much. 甲: Tell me more about the island _____3____. 乙: Sure. But can you take care of my dog _____4____? 甲: No problem. 第_____3____空选择从句________。
A、while I am away
B、when you come back
C、while I was surfing the Internet
D、since I decided to travel to that island