What pattern of asterisks will the following code display on the computer screen? 

for (int x = 1; x < 3; x += 1) 

{ 

for (int y = 1; y < 4; y += 1) 

cout << “*”; 

//end for 

cout << endl; 

} //end for 

a. *** 

*** 

b. *** 

*** 

*** 

c. ** 

** 

** 

d. *** 

*** 

*** 

***