The Red Cross is an international organization, which cares for people who are in need of help. A man in a Paris (56) who needs blood, a woman in Mexico who was (57) in an accident, and (58) in India that lost their (59) in a storm may all be (60) by the Red Cross. The Red Cross (61) in almost every country around the (62) The world Red Cross organizations are sometimes (63) the Sun or the Red Lion. All of these organi-zations (64) a common aim of (65) to help people in need.
The idea of (66) an organization to help the sick and wounded during a war was (67) by Joan Dun ant. In 1859, he (68) how people were (69) on a battlefield in Ita-ly. He wanted to help all the wounded people (70) which side they were fighting for. The most important (71) of his work was an international treaty(条约). It (72) prisoners of war, the sick and wounded, and other (73) during a war.
The American Red Cross was (74) by Lara Barton in 1881. Today the Cross in the United States provides a number of (75) for the public.

A．continents

B．cities

C．world

D．universe

根据表7-3给定的逻辑关系绘制的某分部工程双代号网络计划如图7-2所示，其作图错误（）。

表 7-3

A．节点编号不对

B．逻辑关系不对

C．有多个起点节

D．有多个终点节点