Every day my husband parked his car in the same open-air car park in Zimbabwe. On this particular day, he had been running to his car with a pile of office papers under his arm. As he opened the car door, he suddenly lost control of his body. He felt a stabbing pain in his arm, and became totally breathless and lost consciousness. As he fell down, half in, half out of the car, his last thought was "what a way to die". A young woman getting into her own car in the deserted car park noticed what was going on and at once ran to my husband's aid, trying to bring his life back. Realizing time was important, she tried to move my husband to her car, calling the guard at the gate. Fearing an ambulance would take too long to arrive, she felt it better to get to the hospital as quickly as she could. She raced through traffic lights sounding her car's horn and rushed into the hospital, calling out, "I have an unknown man here who I think is having a heart attack. Having realized he was in capable hands, the woman returned to the car park, found his keys on the ground, collected his papers and piled them in the car. Having seen my husband come out of a certain building each day, the security guard thought he knew where he worked. The young woman managed to locate his colleagues and they in turn contacted my niece, who waited for me to return home so she could break the news to me. After careful tests it turned out that my husband's disease had nothing to do with heart. We were naturally eager to find the kind stranger who had come to his aid. After some weeks we discovered where the young woman worked. She was overjoyed when my husband walked into her office with a huge bouquet of flowers. She said she required no thanks, and preferred to remain anonymous  . We now live in a different country, but each Christmas my husband remembers her act of kindness and sends a gift. We regard every day of his life as a bonus, all thanks to this kind stranger. From the passage, we can infer that   _  .
a heart attack hit the writer's husband suddenly there were few people in the park that day the young woman was at a loss at first the woman was fined for breaking the traffic lights