单选题 There was a look of anger on Lord Northwood's face. Why? ______

【正确答案】 B
【答案解析】从文章的第四句There was a look of anger on Lord Northwood's face as he caught sight of the gun in Pat's hands,可以知道Lord非常生气是因为他看见了Pat手中的枪,他知道Pat想到他的树林里打猎,所以才非常生气。由此可以推断出本题的答案应该是B。