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.
Answer:
A
Explanation:
The superstructure is that part of the building which is mainly above the ground, unlike the substructure which is mainly below ground.
Pocahontas was his daughter