Any data element within a record of a binary search tree is called a ______.

A zipped file usually takes up ________ storage space than an unzipped file

Fill in the blank(s) with correct word

What is the printout of the following code?

``` #include #include "Rational.h" using namespace std; int main() { cout << Rational().toString(); return 0; } ``` A. It is a syntax error. B. 0/1 C. 0 D. 0/0