单选题 My students found the book ______ it provided them with an abundance of information on the subject.
A. enlightening B. confusing C. distracting D. amusing

【正确答案】 A
【答案解析】[解析] enlightening是“使人受启发的”。与后面半句意思相符。B．confusing是“令人迷惑的”，C．distracting是“分散注意力的”；D．amusing是“逗人乐的”。