【题目】The boy was _________ in the book and paid no attention to what was going on around him.
A.absorbed
B.involved
C.interested
D.skilled

【答案】A
【解析】be absorbed in意为“集中精力做某事”；be involved in意为“涉及，被卷入”；be interested in意为“对某物感兴趣”；be skilled in意为“擅长”。句意：那个男孩聚精会神地读书，没有注意身边发生的事情。