单项选择题
A．the city government B．some bike riders C．people living far from downtown D．some store owners
A．narrow passages in between buildings for bicycles B．roads full of bicycles C．special parts of the road for bicycle riders only D．roads for bicycles only
A．lacked practice in public speaking B．felt his education was inadequate C．didn't like arguing and debating with people D．felt that the others were being impractical