关于直腿抬高试验说法错误的是？

A.正常人可抬高80度以上(Normalpeoplecanraisetheirlegsmorethan80degrees)

B.试验时踝关节、膝关节应伸直(Theankleandkneejointsshouldbestraightenedduringthetest)

C.应缓慢抬高(Shouldraisethelegslowly)

D.抬高受限或感到疼痛剧烈，为直腿抬高试验阳性(Limitedliftorseverepain，positiveforstraightleglifttest)

正确答案：A