成人英语三级考试

【单选题】The reason why Jack failed to attend the lecture is because he had a had cold.
A．why
B．failed
C．attend
D．because

网考网参考答案：D
网考网解析：
[解析] 应改为that。在这里that引导表语从句，原句中的 because与前面的the reason why重复。 查看试题解析出处>>