以下        
            
        
    
    对于以下程序,说法正确的是( )。#includemain(){ FILE *fp; fp=fopen("quiz.txt","w"); if(fp!=NULL) { fprintf(fp,"%s\n","success!"); fclose(fp);printf("ok!"); }}
                对于以下程序,说法正确的是(   )。#includemain(){ FILE *fp;  fp=fopen("quiz.txt","w");  if(fp!=NULL) { fprintf(fp,"%s\n","success!"); fclose(fp);printf("ok!"); }} B            
            
        