A Trojan Horse was （）.

A.a trophy of the Greeks from the Trojan War.

B.a huge, hollow wooden horse in which Greek soldiers concealed themselves in order to enter Troy.　

C.a trap intended to bring about the downfall of an enemy or opponent.　

D.a computer program planted illegally to do damage locally.　

正确答案：a huge, hollow wooden horse in which Greek soldiers concealed themselves in order to enter Troy.　；a trap intended to bring about the downfall of an enemy or opponent.　；a computer program planted illegally to do damage locally.