I don't like that girl because she is always ( ).A.up or low B.low or down C.up or down

I don't like that girl because she is always ( ).A.up or low B.low or down C.up or down
I don't like that girl because she is always ( ).A.up or low B.low or down C.up or down

I don't like that girl because she is always ( ).A.up or low B.low or down C.up or down
C.up or down
忽上忽下不安分的意思.

C. up or down：指心情起伏很大，变化无常

C
up or down 上上下下，形容名堂多。