An e-reader is a specialized form of a tablet

If a number is formatted with the D3 formatter, it means that:

a) the number has to have at least 3 digits even if they are zero b) the number has a dollar sign and is at least 3 digits long c) the number has a three-dimensional context d) an error occurs

What is wrong with this code?

``` class Person { private: string name; string address; public: People(); void SetName(string n); void SetAddress(string a); }; ``` A. The constructor has not initialized its variables. B. There is no constructor. C. Variables are passed into the set functions but nothing is returned. D. None of the above.