To answer this question, you need to understand the concept of function libraries.
Option A) True - This option is correct. You can work on one or several function libraries at the same time. Function libraries are collections of pre-written functions that can be reused in multiple programs or projects. These libraries can be used simultaneously in different programs or projects to save time and effort.
Option B) False - This option is incorrect. It is possible to work on multiple function libraries simultaneously.
The correct answer is A) True.