37-year-old teacher is hospitalized with complaints of weakness, incoordination, dizziness, and loss of balance. The diagnosis is multiple sclerosis (MS). Which of the following signs and symptoms, discovered during the history and physical assessment, is typical of MS ？（）

A．Diplopia, history of increased fatigue, and decreased or absent deep tendon reflexes.

B．Flexor spasm, clonus, and negative Babinski’s reflex.

C．Blurred vision, intention tremor, and urinary hesitancy.

D．Hyperactive abdominal reflexes and history of unsteady gait and episodic paresthesia in both legs.

建设单位不得以任何理由要求（）擅自修改经审查合格的节能设计文件，降低建筑节能标准。

A.监理单位

B.施工单位

C.勘察单位

D.检测单位