What does MBR mean?

Before programmers decide which programming language to use or start writing code, they develop a complete description of the task the program needs to accomplish. This is called a ________

A) beta version B) programmer input C) program development life cycle (PDLC) D) problem statement

If a workbook contains grouped worksheets, this word will display on the title bar

A) [Collection] B) [Group] C) [Set]