Experts call on parents, especially ________ of the broken families, ________ the full responsibilities

and better care and love for children.[ ]

A. that; to burden  

B. them; to take on

C. those; shouldering  

D. those; to shoulder

县和乡镇人民政府成立的选举工作机构，（）村民委员会换届选举工作。

A．负责协调

B．组织实施

C．领导

D．指导