Question

which is a construction made of huge stones?
a. fertility figures
b. ceremonial sculptures
c. megalithic architecture

Explanation:

Fertility figures (A) are related to representing fertility, not made of huge stones. Ceremonial sculptures (B) are sculptures for ceremonies, not specifically huge - stone constructions. Megalithic architecture (C) is defined as architecture made from large stones (megaliths), so it matches the description of a construction made of huge stones.

Answer:

C. megalithic architecture