In reverse engineering, the scientist get the result first, then they examine that result to find out what caused the result.
From the options , the one that filled this criteria of reverse engineering would be : A intelligence testing, which gathers data based on research subjects' test scores
hope this helps
Answer:The sentence above is a simple sentence.
Explanation
The sentence above is a simple sentence because it contains only one independent clause. Simple sentences have no dependent clauses. Moreover, they are also called clausal sentences and they may have modifiers besides a subject, a verb, and an object. On the contrary, compound sentences join two or more independent clauses with a coordinator such as for, and, but, or a semi-colon.
I think it would be A if not I am sorry