I’m just wondering ______ I first met Tom.

A．where it was that

B．that it was where

C．where was it that

D．that was it where

关于嗜铬细胞瘤的论述说法正确的是（）

A.大多数嗜铬细胞瘤为良性，可手术切除得到根治

B.有将近1／2的患者手术后仍有高血压，可能因合并原发性高血压

C.嗜铬细胞瘤被切除后，如血压低应用大量去甲肾上腺素静脉滴注升压

D.嗜铬细胞瘤切除1周内判断疗效

E.恶性嗜铬细胞瘤化疗效果不好，放疗效果好