The members of the board are discussing the problem right now; it will _____ have been solved by the end

of next week.[ ]

A. luckily

B. immediately

C. hopefully

D. undoubtedly

将夏桀、商纣和周厉王三人归为一类的标准是（）。

A.他们都建立了一个新的王朝

B.他们都以残暴统治著称

C.他们都重用人才，改革内政

D.他们都轻徭薄赋，爱民如子