Which of the following does NOT contain an adverbial clause of cause？
A. Coward as he was, he ran back as soon as the enemy attacked.
B. Inasmuch as he has confessed and apologized, we will forgive him for the wrongs he has done us.
Clever as the boy was, he found some difficulty in solving the problem.
D. Men differ from brutes in that they can think and speak.
All the following sentences have an appositive EXCEPT______
A. You are John Estes, the telephone engineer, aren"t you？
B. My friends all understand me.
C. I have no idea when she will come back.
D. I told John, who told his brother, and he told his wife.
如何理解夏商王朝从王廷到地方的行政管理体制显示出的早期国家管理的原始性？
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