It was a popular and common gift this year, so he headed to the what where it would be easy to find?\nOptions:\n- christmas tree\n- christmas stocking\n- specialty store\n- department store\n- closet
Let's think step by step.
department store
A department store is a large shop stocking many varieties of goods in different departments.

A popular and common gift will come under a variety of goods.

.

Final answer: department store