单选题 正常脂肪组织的信号特征为 A. T1WI高信号,T2WI等信号B. T1WI高信号,T2WI稍高信号C. T1WI低信号,T2WI低信号D. T1WI低信号,T2WI稍低信号E. T1WI高信号,T2WI低信号查看答案及解析