过直线外一点画已知直线的垂线，可以画请选择CBA0{9_(q8B)A*k条。0t/F9E3H9H5}2B.p(`
A、一条0t/F9E3H9H5}2B.p(`
B、两条0t/F9E3H9H5}2B.p(`
C、无数条0t/F9E3H9H5}2B.p(`