读下图某市交通旅游图（局部），回答下列问题：

（1）在图中找到宾馆和火车站的位置。火车站在宾馆的____________方向。

（2）根据图中的比例尺，算一下宾馆到火车站的直线距离。

____________________________________

（3）从宾馆到公园应选择哪一条公交线路最好？请说明理由。

____________________________________

According to the report, this virus was never known, which had claimed countless lives, _____ it was

accidentally found by a doctor.  [ ]

A. unless

B. since

C. so that

D. until