_____ in London, he was eager to see the Big Ben. [ ]

A. To his arriving

B. Once his arrival

C. Upon his arrival

D. The moment arrived

转移性肝癌的典型PET/CT征象是（）

A.PET表现为FDG高代谢灶，CT见相应部位软组织肿块或组织增厚

B.PET表现为FDG高代谢灶，CT未见相应部位软组织肿块或组织增厚

C.CT见多发占位性病变，PET见相应部位FDG高代谢灶

D.CT见占位性病变，但PET未见相应部位FDG代谢增高

E.CT见腺体占位病变，PET见相应部位FDG高代谢灶