患者，刘女士，诊为支气管哮喘，其哮喘发作与服用阿司匹林及精神紧张有关，护士对患者进行的健康教育中错误的是（）。

A.避免服用阿司匹林

B.饲养宠物以缓解紧张情绪

C.随身携带β受体激动药

D.哮喘发作时应立即嚼服β受体激动药

E.严重哮喘发作应及时就医

US and allied officials have said they have seen no credible evidence of civilian casualties(伤亡)from the air campaign,and they say that precision weapons are used in the strikes in an effort to （）being hurt.

A．prevent civilians on

B．prevent civilians from

C．Prevent civilians to

D．Prevent civilians in