Before text can be formatted, it must be ________

When used as a parameter, a ________ variable allows a function to access and modify the original argument passed to it.

A) static B) value C) reference D) floating-point E) default value

What is the output of the following program?

``` #include using namespace std; class TestClass { public: TestClass(int x) { cout << x << endl; } TestClass() { cout << "Hello!" << endl; } }; int main() { TestClass test(77); return 0; } ``` a. the program runs but there is no output. b. 77 c. Hello! d. the program will not compile