社会服务方案策划过程中认识问题的方法除了分支法还有( )。

A．调查法
B．社会指标
C．德尔菲法
D．问题认识工作表

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.

A．test

B．force

C．educate

D．touch