The police went there       the missing boy last week. At last they found him and brought him home safe.

A．in charge of

B．in search of

C．in honor of

D．instead of

以下哪项不是胸痹疼痛的特点()

A．胸胁胀痛、持续不解

B．胁间饱满，伴咳嗽，咯痰

C．历时短暂、休息或用药后缓解

D．咳嗽，转侧、呼吸时加重

E．胸闷痛可引及左肩或左肩内侧