4[单选题]
“Bassani Antonio，I am married to a wife Which is as dear to me as life itself；I would lose all，ay，sacrifice them all，Here to the devil，to deliver you. Portia：Your wife would give you little thanks for that，ff she were by to hear you make the offer.” The above is a quotation taken from Shakespeare’s comedy The Merchant of Venice. The quoted part can be regarded as a good example to illustrate （）

A.dramatic irony

B.personification

C.allegory

D.symbolism