The answer choices which represents the reasons for doubt are;
The excavation shows that Troy VI was destroyed by an earthquake.
The ruins of Troy weren't discovered until the late 1800s.
<h3>Which reasons caused doubt about the existence of the city of Troy?</h3>
On the aforementioned reasons is the basis for the doubt about the existence of the city of Troy as the excavation reports indicate that Troy VI was destroyed by an earthquake.
An author claims that "athletes caught using performance-enhancing drugs should be sentenced to prison."
The choice that best describes the reason the author provides is that “it is unverified. It does not cite a source to show where the information was located.”