Correct answer choice is :
D) The sculpture was never completed, but the reason is unknown.
Step-by-step explanation:
The sculpture is the section of the optical creativity that works in three dimensions. It is one of the synthetic arts. Strong sculptural methods basically used carving and modeling, in stone, metal, ceramics, woodland and other metals but, since Modernism, there has been an essentially full range of elements and method. A broad type of elements may be formed by replacement such as carving, constructed by welding or modeling, or decayed or form.