42. Every time a search is made using keywords related to construction, search engines display text-based advertisements and links to Regan Builders, a construction firm. The marketing tool used by Regan Builders is best referred to as a __.
(A) display advertisement
(B) contextual advertising
(C) digital catalog
(D) community website
(E) Web blog
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統計: 尚無統計資料
統計: 尚無統計資料