What is indicated by blue arrows when tracing precedents?

A good way to convert a value of type double to a string is

A) use the ostringstream class. B) use the strto double function. C) use the double toa function. D) use the double string stream class. E) None of the above

Which of the following statements about program termination is true?

A. The return statement terminates a function. B. The abort function requires an integer as its only parameter. C. C considers exit an abnormal program termination. D. abort completes any pending file stream writes before terminating the program. E. Terminating main with exit has the same effect as terminating it with return.