Stamp collection has long been recognized as having an educational value. There is every reason to encourage young people to take an interest in them, thereby ______ to their knowledge of geography and history.

A．to add

B．adding

C．added

D．adds

患者女性，50岁，因头晕半年来院检查，影像检查如图所示：

该患者最有可能的诊断是（）

A.星形细胞瘤

B.少突胶质细胞瘤

C.室管膜瘤

D.脑膜瘤

E.转移瘤