关于小腿假肢的描述不正确的是（）

A.要求穿脱方便，悬吊可靠

B.活塞运动<2cm

C.假肢与健肢等长

D.假足外展在6°左右

E.无不适感，承重点正确

Life insurance, before available only to young, healthy persons , can now be obtained for old people, and even for pets.

A．before young, healthy persons available only,

B．available only to young, healthy persons before,

C．available only to persons young, but more healthy,

D．before young and healthy persons only available to,