Which is a feature of audio editing software?

a) it is used only by professionals.
b) it is able to run only on the windows operating system.
c) it is used to edit images.
d) it is used to add sound effects.

D) It is used to add sound effects.

Explanation:

In this question,  we have to find  a feature of audio editing software. For that, we have to evaluate each option.

A) It is used only by professionals.

This cannot be referred a feature of a software. It is somewhat related to usability (ease of use) of the software. Therefore, this option is false.

B) It is able to run only on the windows operating system.

This is again not the feature of a software. This is somewhat related to platform dependence or constraints of a software. Hence, this option is false.  

C) It is used to edit images.

If it is an audio editing software. It would not allow you to edit the images. So, this option is false too.

D) It is used to add sound effects.

It is a primarily functionality of an audio software to allow you compose, edit and add the sounds effects. Therefore, this option is true.

Hence, a feature of audio editing software is, It is used to add sound effects.