I think the answer is c but I could be wrong!!
1. change they're to their
2. change an a
3. delete the comma after workhouse
4. add a comma after computer
5. change too to to
Possibly C: Chronological or Sequential Order.
Hope this helps!
There are just five interrogative pronouns<span>. Each one is used to ask a very specific question or indirect question. Some, such as “who” and “whom,” refer only to people.</span>