The correct answer is (B) To clothe with garments, esp. of an ornamental nature; to dress up, adorn, deck out, especially with display. Also, to marshal or place in proper or desired order, as troops for battle.

Array comes from Anglo-French arayer, Old French areyer, Latin arredare (to put in order).

Examples of use:

• The king was arrayed in all his finery.
• the bride was arrayed entirely in white silk.