单项选择题
A.TT4及FT4均降低TSH升高B.TT3及FT3减低血清rT3增高C.TSH及甲状腺素释放激素升高D.TSH降低TT4及FT4降低
A.120升B.160升C.180升D.210升
A.mg/cmB.μs/cmC.ms/cmD.μg/cm