The manager of the company firmly believed that one of the important_

单选题The manager of the company firmly believed that one of the important____________sources of new customers was the children’S market．

1It’s commonly acknowledged that infant mortality has declined because of recent medical____________and a higher standard of living．

2They believe that businesses have to find new____________and take advantage of every selling technique that might lead people to buy．

3Despite a flurry of diplomatic activity in Geneva，prospects for a peace settlement seemed as____________as ever．