六点整,时针和分针成请选择CBA1p+{1w9e9f,O8Z+],N/D1y3D7d9h4s6|1{8\
A.直角+],N/D1y3D7d9h4s6|1{8\
B.钝角+],N/D1y3D7d9h4s6|1{8\
C.平角+],N/D1y3D7d9h4s6|1{8\