Answer:
A contractor who hired two sub-contractors to help work on the house would be most like to osteoblast.
Explanation:
Osteoblasts are cells that build bone, just like contractors build a house. They are cells capable of synthesizing the bone matrix, allowing the formation and growth of bone.
As bone-forming cells, osteoblasts have a large number of mitochondria and a developed Golgi apparatus. They can multiply until they are covered by the bone matrix, becoming known as osteocytes.
The other options are not correct because: