I think it would be natural question or inverted order so try either of those and see what you can come up with!!! GOOD LUCK!!!!!!!!!!!!!!!!!!!!
It's ....A ...because as should have been used, meaning which. I will refuse his demands which are outrageous.
But unless has nothing to do with the context provided in.... C ....because until should have fitted here.
Antecedent
That which goes before, especially the word, phrase, or clause to which a pronoun refers. In the sentence, "The witches cast their spells," the antecedent of the pronoun "their" is the noun "witches."
The following excerpt supports the idea that applying the principles of conservation leads to greater efficiency in all aspects of life:
<em>"We are coming to see the logical and inevitable outcome that these principles, which arose in forestry and have their bloom in the conservation of natural resources, will have their fruit in the increase and promotion of national efficiency along other lines of national life."</em>
Answer:
I think the answer is Piaget's theories.
Explanation:
Hope it helps :)