In order to protect the environment, people are greatly encouraged to travel by public________．
A．transport B．service
C．means D．traffic
In order to protect the environment, people are greatly encouraged to travel by public________．
A．transport B．service
C．means D．traffic
A 考查名词词义辨析。transport运输，运送，运输工具；service服务；means方式，手段；traffic交通。语境表达“通过公共运输工具出行”，可知A项正确。