It __________ Tom that parked the car here, as he is the only one with a car.

A．may be

B．might have been

C．must have been

D．could be

男，35岁，12年前曾发现蛋白尿，一直未检查和治疗。1周前出现恶心、呕吐，查体：血压190/125mmHg，轻度水肿，血肌酐360μmol/L，B超双肾缩小。

下列哪项检查不应进行（）.

A.血常规

B.内生肌酐清除率

C.血电解质

D.静脉肾盂造影

E.心电图检查