骨肉瘤主要的转移途径为（）
A.血行转移
B.淋巴转移
C.跳跃性转移
D.消化道转移
E.种植转移
参考答案：A
It was how the disabled had managed to drag the child off the tracks the very moment when the train came______touched the audiences.
A．when
B．where
C．that
D．which
大同之世
