恶性程度最高的甲状腺癌是（）

A. * * 状腺癌

B.滤泡状腺癌

C.未分化癌

D.髓样癌

E.以上都不是

Soon, more of the information we receive via the Internet could come (6) in digital wrappers. Wrappers are made up (7) software code that’s targeted to do specific things with the data (8) within them, such as helping to define queries for search engines. They also keep (9) from (10) access to that code.

A．of

B．off

C．on

D．out