A function, together with an environment, makes up what is called

A function, together with an environment, makes up what is called a ______ closure.

A. formal

B. function

C. reflective

D. symmetry

This question was posed to me by my college director while I was bunking the class.

My question is from Scoping Rules topic in portion Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming

Right choice is B. function

For explanation: The function closure model can be used to create functions that “carry around” data with them.