Susan Brown was in a family way when she was seventeen and became a mother by eighteen.
A．苏珊·布朗17岁时才过上家庭生活,18岁时做了母亲。
B．苏珊·布朗17岁时进入到一个家庭,18岁时做了母亲。
C．苏珊·布朗17岁时怀孕,18岁时做了母亲。