I have _____ football. Would you like to play ______ football with me ?

A．a, the

B．a, a

C．/, a

D．a, /

电气化区段通过信号机处接触线对线路中心的偏移方向宜远离信号机，使之距离达3m以上，信号机构及梯子应接安全地线。