题目

阅读理解；阅读短文，从每小题所给的四个选项中，选出能回答所提问题或完成所给句子的最佳答案。 Today people can use the phone to talk with others almost anywhere on the earth. But when you use the phone, you don’t usually see the person you are talking with. That may change in the near future.    Today some people are using a kind of telephone called the picture phone or vision phone. With __ it__, two people who are talking can see each other. Picture phones can be useful when you have something to show the person you’re calling. They may h下面语段空白处应填入的恰当句子是 [　　] 　　诺贝尔凭着不怕死的精神，凭着百折不挠的毅力，终于制服了硝化甘油，_____________。后来，他又研制出多种烈性炸药，一生拥有255项发明专利，被人们誉为“炸药工业之父”。 A．使这种炸药能安全地运输、保存，引爆后又能猛烈爆炸，可以应用到生产中去。 B．使这种炸药能安全地保存、运输，引爆后又能猛烈爆炸，可以应用到生产中去。 C．使这种炸药能安全保存、运输，可以应用到生产中去，在引爆后又能猛烈爆炸。 D．可以应用到生产中去，使这种炸药能安全地保存、运输，在引爆后又能猛烈爆炸。