测360名对象的某指标，算得均数等于 87，中位数等于73，标准差等于65，第5百分位数等于7，第95百分位数等于233，则估计该指标值90%的对象在范闱

A．87±1.96×65

B．87±1.64×65

C．73±1.96×65

D．73±1.64×65

E．7～233

Soon, more of the information we receive via the Internet could come (155) in digital wrappers.
Wrappers are made up, (156) software code that’s targeted to do specific things with the data (157) within them, such as helping to define queries for search engines. They also keep (158) from (159) access to that code.

A．of

B．off

C．on

D．out