以下提供若干组考题，每组考题共同使用在考题前列出的A、B、C、D、E五个备选答案。请从中选择一个与问题关系密切的答案。每个备选答案可能被选择一次、多次或不被选择。

皮下注射的进针角度( )

A．5℃
B．10℃
C．20～30℃
D．45℃
E．90℃

A court-martial has but recently decided to acquit him .

A．declare he is not guilty

B．pardon him

C．condemn him

D．persecute him