You are given the following KangarooCode.txt file:
int a;
int b;
a = 3;
b = a + 1;
class A {
String name = sara;
class Nested {
if (b == 4)
a = 2;
endif
if (a == 3)
a = a + 1;
b = b + 6;
endif
}
}
Which option correctly identifies the execution flow of the code?

A) Nested class execution
B) Initialization of variables a and b
C) Conditional statements execution
D) Missing options for the execution flow.