A.T1WI和T2WI上均為低信號(hào)B.T1WI和T2WI上均為高信號(hào)C.T1WI和T2WI上均為等信號(hào)D.T1WI低信號(hào),T2WI高信號(hào)E.T1WI高信號(hào),T2WI低信號(hào)