Most positive it is letter D
The way you know the subject of the sentence is plural is because it takes a plural verb. You can see that the subject of the sentence is <em>the ova </em>(plural for of Latin word <em>ovum</em>, <em />meaning egg cell), and the verb it takes is <em>undergo </em>(plural)<em>, </em>and not <em>undergoes, </em>which would be singular.
Actually, there is a lot of pitfalls in the credibility in this argument. There are a lot of websites in the Internet with information about the so called French Invasion that occurred on the 24th of june, 1812.
The French Invasion is also known in Russia as The Patriotic War of 1812 and in France is known as the Russian Campaign. Try to search under these alternative names and you might find more information.
Where are the examples? Or are we supposed to give one?
Yes, by taking about the Big Bang while there was a very christen boy in it. It was a lot of information to take in
