Answer:
<u>System software</u> is software designed to provide a platform for other software.
Explanation:
English translation:
Which of the words are adverbs (describing word of action often ends in -ly)?
<u>clearly</u>
<u>a lot</u>
<u>there</u>
<u>study</u>
The answer can be B or C both are correct.
D. It is the female version and singular
