Since then I        a member of the family and never        from them.

A．have be come; will I separate

B．have be come; I will separate

C．have been; will be separated

D．have been; I was separated

心包炎的典型体征是：（）

A．心前区疼痛

B．发绀

C．面色苍白

D．心包摩擦音

E．心包叩击音