—I _____ more than two weeks _____ the work.

—It's really a little longer.  [ ]

A. cost; in finishing

B. paid; for

C. spent; finishing

D. took; to finish

骨样骨瘤的MRI表现中，哪项错误（）

A.肿瘤的未钙化部分在T₁WI上呈低到中等信号，T₂WI上呈高信号

B.肿瘤的钙化部分在T₁WI和T₂WI上均呈高信号

C.瘤巢周围骨质硬化在T₁WI和T₂WI上均呈低信号

D.肿瘤周围的骨髓和软组织呈长T₁、长T₂信号

E.部分肿瘤伴有邻近关节积液和滑膜炎症