I would appreciate     very much if you could send me a few copies of the mechanic design of your new model.

A．it

B．that

C．this

D．you

女性，65岁，高血压病史5年，多次测血压170～190／90～110mmHg，眼底Ⅲ级，该患者诊断为（）

A.高血压病2级，中危

B.高血压病2级，高危

C.高血压病2级，极高危

D.高血压病3级，高危

E.高血压病3级，极高危