在日常的学习过程中，英语阅读理解是一项非常重要的技能。它不仅能够帮助我们更好地理解文章的内容，还能提高我们的词汇量和语法知识。以下是一篇适合高中生练习的英语阅读理解文章及其问题。

文章：

A young man was walking through a supermarket to pick up a few things when he noticed an old lady following him around. Thinking nothing of it, he ignored her and continued shopping. After he had finished picking up his items, he went to the checkout line, but the old lady got in front of him.

"Excuse me," she said, "I'm sorry if my staring made you uncomfortable. It's just that you look like my grandson, who died two years ago. And he would have been buying groceries today as well."

"I'm very sorry for your loss," replied the young man. "Is there anything I can do to help you?"

"No," she said, "But thanks anyway. That's very kind of you." She then handed him a $100 bill.

"I want you to take this money and buy some food for yourself. You look like you could use it."

The young man was deeply moved by her kindness. He accepted the money and thanked her again. As he walked home with the groceries, he thought about how lucky he was to have such a wonderful experience.

问题：

1. Why did the old lady follow the young man?

2. What did the young man think of the situation at first?

3. How did the young man respond when the old lady apologized?

4. What did the old lady give to the young man?

5. How did the young man feel after receiving the money?

以上是一道简单的英语阅读理解练习题，希望对大家有所帮助。通过这样的练习，可以逐步提升自己的阅读能力和理解水平。