Point out the error in the program? #include<stdio.h> /* Assume there is a file called 'file.c' in c: tc directory. */ int main() { FILE *fp; fp=fopen("c: tc file.c", "r"); if(!fp) printf("Unable to open file."); fclose(fp); return 0; }

• A. No error, No output.
• B. Program crashes at run time.
• C. Output: Unable to open file.
• D. None of above