Austria-Hungary was aligned with Germany during both first and second war (then only Austria) - so they have to be on the same side (this excludes options B and D).
Also, Great Britain was against Germany and Austria-Hungary, so we can exclude option C.
The correct answer is the following one:
A. Austria-Hungary, Germany and the Ottoman Empire versus Serbia, Russia, France and Great Britain
Answer: but.
however.
in spite of.
on the one hand/on the other hand.
in contrast.
on the contrary.
still.
yet.
Explanation:
Answer:
in the rivers and the mountains