Complete the following passage with the words or phrases in the box. Each can only be used once（将下列单词或词组填入空格。每空格限填一词，每个单词或词组只能填一次.:（共8分.

Everybody knows that it is dangerous to cross the street without looking both ways in China. However, I had a different experience in Berkeley, a beautiful city in California, US.

I didn’t know what to do when I had to cross the roads   小题1:   my first couple of days there: I wondered whether I should let the car go first or not? Based on my old experience back in China, I would certainly let the car go. “Who wants to be knocked down by a car?” I thought to   小题2:  .

One day, I was checking for cars while I was waiting to go to the other side of the road. An SUV came fast toward me, so I stopped and   小题3: . However, to my great surprise, the car stopped right in front of me. To be honest, I was a little confused because in China drivers usually try hard to drive as    小题4:   as possible to cross the road before people step out. Not knowing what to do for a moment, I saw no sign the car was going to move, so I offered a “signal’ to let him go first.

上市公司拟在未来无限时期每年支付每股股利2元，相应的贴现率(必要收益率)为10%，该公司股价18元，计算该股票的净现值为( )。

A．-2元

B．2元

C．18元

D．20元