Foreign language characters can be entered in a document with the ________ command

In order to sort by more than one field, use a ________ sort

A) multiple B) primary C) query D) secondary

Fill in the code to complete the following method for computing factorial.

``` /** Return the factorial for a specified index */ public static long factorial(int n) { if (n == 0) // Base case return 1; else return _____________; // Recursive call } ``` a. n * (n - 1) b. n c. n * factorial(n - 1) d. factorial(n - 1) * n