在目前财政拮据的情况下，在A市增加警力的建议不可取。在计算增加警力所需的经费开支时，光考虑到支付新增警员的工资是不够的，同时还要考虑到支付法庭和监狱新雇员的工资，由于警力的增加带来的逮捕、宣判和监管任务的增加，势必需要相关机构同时增员。以下哪项如果为真，最能削弱上述论证( )

A．虽然财政状况比较紧张，但新增警员需要的费用在整个财政支出中的比例是很小的

B．增加一定的警力后，A市的犯罪率会大大降低

C．去年B市的警力增加了15%，逮捕个案增加了37%，判决个案增加了9.5%

D．可通过其他途径来承担一部分由于新增警力而带来的费用

The task at hand now is to (56) the programmers who still use yesterday’s software technology to solve today’s software problems. Object-oriented programming requires a new attitude toward problem (57) . Problem (57) with computer system becomes more natural. Application can (58) be translated into (59) . Although it is commonly believed that it will be easier to train new programmers to use object-oriented techniques than to (60) programmers who have substantial experience in applying conventional programming language constructs.

（60）是（）

A.train

B.retrain

C.find

D.recruit