Which Line in the Following Program Will Cause a Compiler $\quad$

Which line in the following program will cause a compiler error? 1 $\quad$ #include <iostream>
2 $\quad$ using namespace std;
3
4 $\quad$ int main()
5 $\quad$ {
6 $\quad$$\quad$ int number = 5;
7
8 $\quad$$\quad$ if (number >= 0 && <= 100)
9 $\quad$$\quad$$\quad$ cout << "passed.\n";
10 $\quad$$\quad$ else
11 $\quad$$\quad$$\quad$ cout << "failed.\n";
12 $\quad$$\quad$ return 0;
13 $\quad$ }

A) 6
B) 8
C) 10
D) 9