Answer:
A. Task View
Explanation:
"Task View" has recently been introduced as a feature in Windows 10. This enables the person to multitask without getting lost in his number of programs. This allows the person to open many windows and quickly hide them, if he is focusing on a particular work space.
The "Task View" feature will allow Manuel to multitask by keeping his program showing on the entire desktop while he is doing other tasks. If he has multiple work spaces, he can quickly switch between them.
So, this explains the answer.