单项选择题
A.8;40/104;24 B.4;64/128;48 C.4;40/104;24 D.8;64/128;48
A.外螺纹+针 B.外螺纹+孔 C.内螺纹+孔 D.内螺纹+针
A.54Mbps B.108Mbps C.150Mbps D.300Mbps