A.65 B.55 C.60
A.1000 B.800 C.300
A.1SDK B.1SDFK C.1FDK D.1YDK
A.雙斷點(diǎn) B.單斷點(diǎn) C.多斷點(diǎn)
A.24 B.36 C.48 D.50