non 10 answered suppose you have ql as integer queue with the following data (1,2,3,4,5,6), where l is at the front of the queue and qi is passed to a recursive method fl(), what the output of executing f1()? Hout of 2.00 question void fl( Lqueue q1) { System.out.print (ql.dequeue()); if (!ql.isEmpty()) fi( q1): } Select one: O a. 1,2,3,4,5,6 O b. 6,5,4,3,2,1 oc. method f10 is not executable o d. 1,6,2,5,3,4 TA hp