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I wouldn't put hardwood in a basement - too much moisture and your house is brand new - which increases the risk. I would look to a good quality berber carpet with a thick underpad. My two cents. Some interesting reading below: Engineered hardwood is a possibility ?

Can I install a solid 3/4" hardwood floor in my basement?

Solid 3/4" Hardwood flooring cannot be installed below grade (below the soil line) or over concrete. When a solid product encounters moisture it reacts very negatively. Therefore, a laminate or engineered flooring must be used. Laminate flooring is constructed by fusing 4-plys of material together to form a product with unprecedented strength and durability. An engineered product is very similar with the exception that they usually have a real wood layer on top of the constructed core.