单选题

若有以下程序<pre class='former-society'>#include <stdio.h> int f(int a［ ］,int n) { if(n > 1) { int t; t=f(a, n-1); return t > a[ n -1 ] ？ t：a［n-1］; } else return a[0]; } main() { int a［ ］= {8,2,9,1,3,6,4,7,5}; printf("%d\n", f(a, 9)); } 则程序的输出结果是?

Question

A. 9

B. 1

C. 8

D. 5