Which of the following claims about modular programming is correct? O a. Modular programming always takes a lot longer because the programmer needs to write additional code for function definitions, class definitions, etc. However, the benefits make it worthwhile. O b. Placing reusable code in self-contained functions is one example of good modular programming practice. O c. It is not possible to use modular programming in a program which contains Python modules. O d. Modular programming always takes a lot longer for big projects because the programmer must break up the problem rather than solving everything at once.