________ thousands of people outside; it was too noisy.[ ]

A. There seemed to be

B. There seemed to have

C. It seemed to be

D. It seemed to have

63岁，女性，间歇无痛全程肉眼血尿1个月。查体：左肾下极可及，B超提示左肾占位病变，IVP肾盂肾盏受压，尿细胞学(-)，膀胱镜检查可见左输尿管口喷血，最刚可能诊断的疾病是()

A．左肾癌

B．左肾结石

C．左肾盂肿瘤

D．左肾母细胞瘤

E．左肾囊肿