As a rule，an allegory is a story in verse or prose with a double meaning：a surface meaning，and an implied meaning．List two works as examples of allegory．What is the implied meaning an allegory is usually concerned with?
A.Bunyan's Pilgrim's Progress and Spenser's The Faerie Queene,etc.
B.It is usually concered with moral, religious, political, symbolic or mythical ideas.
