阅读下面短文, 从短文后各题所给的四个选项(A、B、C、D)中, 选出可以填入空白处的最佳选项。
It was a beautiful, sunny day. I had just finished1my daughter to the airport to catch an early morning flight. My sons and I2went to a fast-food place for3before heading back home. After eating, we all got into the car and pulled out of the 4. The restaurant was at the very top of a hill. At the bottom of the hill was a5sign, so we found ourselves at the end of a6line of traffic waiting while the cars at the bottom turned onto the7road one at a time.
As I looked down to the bottom of the hill, my eyes saw an elderly man standing8the stop sign. His clothes were9and shabby (破旧的). He held a cardboard sign with the words “10Help Please!” written on it. My heart went out to him and I11myself in his situation. As car after car turned onto the main road without12for him, I reached for my wallet to look for whatever13was left in it. As I was pulling it out of my wallet,14, I saw a young woman walk up to him along the side of the road. She was carrying a bag full of 15 taken out from the restaurant I was just at. I watched as the old man16the young girl and smiled as she reached out her arms to give him a hug.
Suddenly a17honk (喇叭声) from the car behind me made me realize that I hadn't been18forward because this simple choice for19had captured (attracted) my attention and my heart. By the time I reached the20of the hill, both the man and the lady who had helped him were gone. Yet, as I drove home, the sun seemed to shine even brighter and Heaven felt a bit closer to Earth.
。图（a）是点燃酒精灯（在灯芯上洒些盐），图（b）是竖立的附着一层肥皂液薄膜的金属丝圈。下面说法正确的是 （ ）
