In the accompanying image of Microsoft PowerPoint 2016, Box A points to the _____.?
?

When more than one copy of the shared workbook contains marked changes, first ________ the workbooks so that you can view everyone's changes in a single workbook

A) discard B) accept C) merge D) save

Here are several function members of a class. Tell whether each may be used as an l-value, only, an r-value only or both. B is a class that has mutators.

a) ``` //declarations of these appear together in the //definition of class A int& A::f( ){ /* */} const int& A::f( )const{ /* */} ``` b) ``` const int& A::f( ){ /* */} ``` c) ``` const B A::f( ){ /* */} ``` d) ``` B A::f( ){ /* */} ```