My interest in surfing on the Internet has_______ most of my spare time, but it has repaid me a great deal of enjoyment.

A．taken off

B．taken up

C．taken down

D．taken away

鉴别腺泡细胞癌中透明细胞选用（）。

A.S-100蛋白和Actin

B.淀粉酶

C.角蛋白

D.myosin

E.甲状腺球蛋白