A.http：//127.0.0.1/test.php？name=testUser&pwd=123B.http：//127.0.0.1/test.php？name=testUser&&pwd=123C.http：//127.0.0.1/test.php？？？name=testUser&pwd=123D.http：//127.0.0.1/test.php？name=="testUser"&pwd=="123"
A.HyperText Transfer PersonB.HyperText Transfer ProtocolC.HyperText TransformProtocolD.不是缩写就是一个固定的符号
A.using u =UnityEngineB.using SystemC.using （MemoryStream s =new MemoryStream（））{}D.public class< T>A using T：new（）{}
