If you grow up in ___ large family, you are more likely to develop ___ ability to get on well with ___ others.

A．/; an; the

B．a; the; /

C．the; an; the

D．a; the; the

甲公司铺设管道，在路中挖一深坑，设置了路障和警示标志。乙驾车撞倒全部标志，致丙骑摩托车路经该地时避让不及而驶向人行道，造成丁轻伤。对丁的损失，下列哪一选项是正确的（）

A．应由乙承担赔偿责任 

B．应由甲和乙共同承担赔偿责任 

C．应由乙和丙共同承担赔偿责任 

D．应由甲、乙和丙共同承担赔偿责任