Fill in the blanks in each of the following statements:

a) The __________executes .NET programs.

b) The CLR provides various services to  __________code, such as integrating software components written in different .NET languages, error handling between such components, enhanced security and more.

c) The ability of a program to run without modification across multiple platforms is known as platform  __________.

d) Visual Studio is a(n)  __________in which C# programs are developed.

e) You can sell your own Windows Phone apps in the  __________.