From my understanding, limestone wears down by water (rain and snow). This could be bad if the limestone is outside in a rainy/snowy environment.
Answer:
C, to create new and improved beauty.
Explanation:
You can eliminate A because most churches do not have gothic art.
You can eliminate D because its not A.
You are now left with B and C.
C would be the answer because the art is not so "Heavenly."