On a snowy evening,a rich lady was standing by the road.She was very worried.Her car had broken down.Just then a poor man named Robert came.He was on his way back home from work as usual.　　The lady wondered,“Is the man going to help me?He looks very cold and hungry.” But to her surprise,he stopped and said with a smile,“What’s wrong,madam?” ▶The lady told him what was happening.◀　　After forty minutes,the car was at last fixed by Robert.The lady wanted

On a snowy evening,a rich lady was standing by the road.She was very worried.Her car had broken down.Just then a poor man named Robert came.He was on his way back home from work as usual.
　　The lady wondered,“Is the man going to help me?He looks very cold and hungry.” But to her surprise,he stopped and said with a smile,“What’s wrong,madam?” ▶The lady told him what was happening.◀
　　After forty minutes,the car was at last fixed by Robert.The lady wanted to pay him.
……
谁能给我讲讲上面那句为什么用was happening吗,是过去进行时,还是其他原因?它的意思是“发生了什么”,难道是用进行表示过去?
是一道初三题,全班都做错了,也没人能讲明白.真的很疑惑,有谁知道吗,
车抛锚这件事不是已经过去了吗，为什么不用过去而要用进行时，我主要疑惑这点！