C++ questions

Question 14 During each pass theough the body of the loop the value of the LCV must remain constant. must no be changed must be updated. None of these. must not be reinitialized. Question 15 A counter-controlled while loop is used when none of these. whenever it is necessary to reverse the order of execution of the statements inside the body of the loop. O the body of the loop must be executed a predetermined number of times. whenever a counter cannot be placed inside the body of the loop. the body of the loop is used strictly for counting. Question 17 An EOF-controlled while loop continues to execute the body of the loop until -- - . - - - the counter is detected. the EOL marker is detected. the EOF marker is detected. the while is detected. None of these