Answer: Gargoyles two main purposes were to scare off evil, and to divert rainwater; they had sprouts that direct water away from the sides of buildings.
Explanation:
Gargoyles were most common during the medieval times when the Church was very powerful. Gargoyles were used to scare off evil and to remind people that evil existed.
Their other primary purpose was to divert rainwater from the foundation of buildings as the rainwater would come out of their open mouths through their long necks.
The answer C correctly uses possessive form and is the right answer. It's not A because there is only one George so the apostrophe is in the wrong place. In B, there's not even an apostrophe and it's not clear as to whether there is only one cousin or two or more cousins. In answer D, here should not be an apostrophe for develops.