完成句子：___ by taxi can cost a lot of money, but it's usually ___ underground train to most place

完成句子：___ by taxi can cost a lot of money, but it's usually ___ underground train to most place
完成句子：乘出租车环游巴黎会花很多钱,但乘地铁去大多数地方却很容易.
___ by taxi can cost a lot of money, but it's usually ___ underground train to most places.
Who was the novel ____ ?
A. written byB.writtenC.wroteD.write